What may be causing a current sixth mass extinction on Earth at a rate of about 20 to 200 extinctions per million species per year

Answer:

When the moon pulls on one side of Earth, the other side experiences high tide as well.

Explanation:

During the day, the moon revolves around Earth and when it does, it pulls on the oceans, causing high tide number one. But, when the moon pulls on one side of the Earth, the other side also bulges out, causing high tide number two. Think of this as a squishy ball. When you hold it with your index finger on the top and your thumb on the bottom and squeeze it, both sides of the ball bulge out. This is what happens to the Earth under the moon's gravitational pull.

Most Icelandic eruptions occur when lava pours out of long fractures, in eruptions known as fissure.

A fissure is a hole in the Earth's surface that is long and narrow. The word "cleft" or "crack" is derived from the Latin word fissura. In the crust of the Earth, on ice sheets and glaciers, and on volcanoes, fissures appear.

An aperture or long, thin fracture in the Earth's crust is referred to as a ground fissure or an earth fissure. Ground fissures can develop due to geological faulting, earthquakes, or human activity like oil mining and groundwater pumping.

They can also develop spontaneously. Ground fissures can grow and erode by torrential rain after they have already formed. They can cause harm to property and infrastructure, including roads, underground pipes, canals, and dams, as well as pose a risk to humans and cattle who reside on the impacted surfaces.

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Based on the figure RHOM being a rhombus and the angles that are formed, a true statement on Angle MSR is that It must be a right angle.

Lines RO and HM are drawn as diagonals and so will intercept at point S and divide the rhombus into 4 isosceles triangles.

With angle MSR starting from one end and going to the center and then to another end, it forms a right angle at point S as shown attached.

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\({ \red{ \underline{ \sf{significant \: to \: study \: earth \: science}}}}\)

Earth Science studies are critically important to modern society. An understanding of the rocks and minerals that make up the solid Earth, and how these materials interact with the atmosphere, the world water supply, and living organisms provides the foundation for all natural and environmental sciences.

Earth science is the study of the Earth's structure, characteristics, processes, and four and a half billion years of biological evolution.

The world's growing population requires more resources. Suffers increased losses from natural disasters, and pollutes the air, water, and land. To survive, we must have a scientific understanding of the natural elements and processes that connect the geosphere, hydrosphere, atmosphere, and biosphere.

Life thrives or perishes on the Earth's surface where these environments collide. Earth scientists' knowledge and talents help society manage its environment in a broad range of ways. Their understanding of the earth's crust's structure, stratigraphy, and chemical composition assists us in locating resources that sustain and improve our quality of life.

Understanding the forces in the crust and natural processes on the surface enables us to predict natural disasters such as volcanoes and earthquakes, and geologic environments, such as damaging mining practices or improper waste disposal, provide us with information to correct such practices and design more benign procedures for the future.

Finally, a full understanding of planetary physics will enable us to predict and regulate big changes in global environmental circumstances.

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Based on the information in the graph, it can be inferred that the climate described in the table is from the city of Ottawa because Windsor, being further south of the country, has warmer temperatures and Thunder Bay, being further north, has temperatures colder.

To identify the city that corresponds to the climate in the graph, we must analyze the data in the graph. In this case, two very important data about the climate are the annual precipitation and the average temperature.

Once we identify this information, we can compare it with information from an official climate institution in Canada. In this case, we can confirm that the data corresponds to the Ottawa temperature. Additionally, we can infer that this information is correct because Ottawa is located in an average latitudinal location (in Canada) with respect to Thunder Bay and Windsor, this means that this city has an average temperature compared to the other two.

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The correct option is (a). Earthquakes happen when highly stressed rocks break and abruptly move with tremendous energy.

An earthquake is the shaking of the Earth's surface caused by a sudden release of energy in the Earth's lithosphere, which generates seismic waves. It is also referred to as a quake, tremor, or temblor. Earthquakes can range in strength from those that are so small that no one can feel them to those that are powerful enough to throw things and people into the air, destroy vital infrastructure, and devastate entire cities. The number, kind, and size of earthquakes that occur in a region over a specific time period is known as its seismic activity. The average rate of seismic energy release per unit volume is what is known as seismicity at a specific region on Earth. Tremors, which are not earthquakes, are also referred to as seismic rumbling.

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Answer:

it is NOT answer D, Increased population demands increase groundwater withdrawals every year regardless of precipitation.

Explanation:

just dont want others to get it wrong like I did :c

Answer: C) Fluctuations in groundwater withdrawals are not in response to increases in population growth.

Explanation:

A) couldn't be right because, in the graph, groundwater withdrawal was only increasing up until 1980, and then it started steadying and fluctuating.

B) claims that groundwater withdrawals decreased, which isn't supported by the graph either.

D) isn't true either, because there is clearly a stop in groundwater withdrawals increasing around 1980-1985.

Answer:

\(x=24.44^{\circ}\)

Explanation:

Given that,

German U-boats would dive 150 meters below the surface. If an enemy ship was 330 meters away on the surface.

We need to find at  what angle of elevation x should the U-boat shoot to hit the ship.

150 m is the height, 330 m is the base of the right angle triangle. We can find the angle of elevation as follows :

\(\tan\theta=\dfrac{P}{B}\\\\\tan x=\dfrac{150}{330}\\\\x=24.44^{\circ}\)

So, the angle of elevation is \(24.44^{\circ}\).

The dentist is hiring a dental assistant through an employment agency. The agency charges a fee of 10% of the dental assistant's annual starting salary. The salary for the dental assistant is $21,000. The dentist needs to calculate the fee owed to the agency.

To calculate the fee owed to the employment agency, we need to find 10% of the annual starting salary of the dental assistant, which is $21,000.

To find 10% of a value, we can multiply that value by 0.1. So, in this case, the fee owed to the agency can be calculated as:
Fee = 10% of $21,000 = 0.1 * $21,000 = $2,100.

Therefore, the dentist owes the agency a fee of $2,100 for hiring the dental assistant. This fee represents 10% of the dental assistant's annual starting salary and is the amount charged by the employment agency for their services in connecting the dentist with a suitable candidate. It is important for the dentist to factor in this fee when considering the overall cost of hiring a dental assistant through the agency.

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The agency charges the dentist a fee of $2,100 for their services in finding a dental assistant.

To calculate the fee that the dentist owes the agency, we need to first determine what 10% of the annual starting salary of the dental assistant is.
10% of $21,000 = $2,100
Therefore, the agency charges the dentist a fee of $2,100 for their services in finding a dental assistant.
It's worth noting that while this fee may seem steep, it's actually fairly standard for employment agencies. Employers often turn to these agencies when they are struggling to find qualified candidates for a particular position, and the agencies are compensated for their efforts in locating and vetting potential employees.
Ultimately, it's up to the dentist to decide if the agency charges are worth the benefits of using their services. For some employers, the convenience and efficiency of having an agency handle the hiring process may outweigh the cost of the agency charges.

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Answer:

creating barriers to hold o flowater

Explanation:

kung mali po paki check nlng po

According to one hypothesis, life on earth emerged from (bluegreen algae/ amino acids/ molten metals/ crustal rocks) in the presence of large amounts of gasses seeping from deep ocean vents. ANother process called primordial soup suggests that the formation of life was due to the effects of (lightning/sunlight/gravity/meteorites) in earths atmosphere.

Answer:

Right to work states are states that protect workers from being fired for not paying union dues. This encourages buisness investments

Earthquakes measuring M4 and M5 on the magnitude scale differ in energy released by approximately 30 times as given in option (c)

The strength of earthquakes is measured on Richter Scale. The higher the value on Richter Scale the stronger the earthquake. Therefore an M5 earthquake is stronger than an M4 earthquake.

Magnitude is used to describe the proportion of the earthquake. A ten-fold increase is observed with each increase in scale measurement. Therefore M5 earthquake is 1o times bigger in magnitude than an M4 earthquake.

The amount of energy dissipated by an earthquake is a measure of the potential for damage caused by it to resources created by humans. While each number increase in magnitude represents a 10 times increase in the measured magnitude, it represents 32 times more energy dissipated.

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Earthquakes measuring M4 and M5 on the magnitude scale differ in energy released by:
B. ~3 times

The magnitude scale is a logarithmic scale used to measure the strength of earthquakes, with each increase in magnitude representing a tenfold increase in the amplitude of the seismic waves.

The energy released by an earthquake is directly related to its magnitude, with larger earthquakes releasing much more energy than smaller ones. The relationship between magnitude and energy can be expressed mathematically by the following equation:

log E = 1.5M + 4.8

where E is the energy released by the earthquake in joules and M is the magnitude of the earthquake.

Based on this equation, we can calculate the difference in energy released between earthquakes with magnitudes M4 and M5 as follows:

log E1 = 1.5 x 4 + 4.8 = 11.3

log E2 = 1.5 x 5 + 4.8 = 12.0

E1 = 2.0 x 10^11 joules

E2 = 6.3 x 10^11 joules

Therefore, the difference in energy released between earthquakes measuring M4 and M5 is:

E2/E1 = 6.3 x 10^11 / 2.0 x 10^11 = 3.15

So, earthquakes measuring M5 release about 3 times more energy than earthquakes measuring M4.

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Answer:

The answer is C.) Favorable ocean currents.

Explanation:

They had an easy accsess for trade.

The moment magnitude scale is a measure of the size or energy released by an earthquake.

It is useful in measuring earthquakes because it provides a more accurate and comprehensive assessment of the earthquake's strength compared to other scales. The moment magnitude scale, often denoted as Mw, takes into account the seismic moment of an earthquake, which is calculated based on the area of the fault that slipped, the average amount of slip along the fault, and the rigidity of the rocks involved. This scale is logarithmic, meaning that each whole number increase on the scale represents a tenfold increase in the amplitude of ground motion and approximately 32 times more energy released.

The moment magnitude scale is advantageous over other scales, such as the Richter scale, because it can accurately measure both small and large earthquakes. It provides a uniform scale that allows for consistent comparison of earthquakes worldwide. Additionally, it reflects the total energy released by an earthquake, which is crucial for assessing its potential impact on structures and the environment. By using the moment magnitude scale, scientists and engineers can better understand the behavior of earthquakes, improve hazard assessments, and develop more effective building codes and mitigation strategies to reduce the risks associated with seismic activity.

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Hermit Shale and Coconino Sandstone are two distinct rock formations found in the geologic record. Here are the key differences between them: composition, depositional environment, fossil content, and texture.

Composition: Hermit Shale is primarily composed of fine-grained sedimentary rock, mainly consisting of clay and silt particles. It has a layered appearance and exhibits a higher proportion of clay minerals. Coconino Sandstone, on the other hand, is primarily composed of well-sorted sand grains, predominantly quartz sand. It has a grainy texture and lacks the fine-grained clay and silt particles found in shale.

Depositional Environment: Hermit Shale is typically associated with a marine or lacustrine (lake) environment. It forms in areas where fine sediment settles in calm water conditions, such as in the deep ocean or lake basins. Coconino Sandstone, in contrast, is indicative of an aeolian (wind-blown) depositional environment. It forms from sand dunes and wind-blown sand accumulation in arid or desert environments.

Fossil Content: Hermit Shale has a higher likelihood of preserving organic remains and fossils due to its fine-grained nature and deposition in marine or lacustrine environments. Fossils of marine organisms or freshwater species may be found within the shale layers. Coconino Sandstone, being a wind-blown deposit, generally lacks significant fossil content. Fossils, if present, would likely be limited to traces or rare occurrences.

Texture and Structure: Hermit Shale exhibits a more homogeneous and compacted structure due to its fine-grained nature. It often displays layering or bedding planes. Coconino Sandstone, on the other hand, has a coarser texture with well-sorted sand grains that are typically well-cemented. It may display cross-bedding structures, which are inclined layers of sediment that form as sand dunes migrate.

These differences distinguish Hermit Shale and Coconino Sandstone as distinct rock formations within the geological record.

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Answer:

Explanation:

No, the topography of Mizoram is not the same as that of the other states in India.

Mizoram has many hills, valleys, rivers and lakes

If we compare, it with any other state like Rajasthan, there are no hills, valleys, rivers and lakes.

Hope this helps

plz mark as brainliest!!!!!!!!!

Answer:

No

Explanation:

Mizoram is a hilly area

By applying the alternate exterior angle theorem, the value of x is equal to 30.

Parallel lines can be defined as two (2) lines that are always the same (equal) distance apart and never meet.

The alternate exterior angle theorem states that when two (2) parallel lines are cut through by a transversal, the alternate exterior angles that are formed are congruent or angles of equal measure.

By applying the alternate exterior angle theorem, we have:

2x + 57 = 4x - 3

4x - 2x = 57 + 3

2x = 60

x = 60/2

x = 30.

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Volcanic rocks associated with basaltic volcanoes are usually black or red in color and frequently contain vesicles. The correct option is D.

Volcanic rocks are rocks that are formed as a result of the solidification of lava from an erupting volcano. These rocks are classified according to their chemical and mineral compositions as well as the texture of the rock.

Vesicles are a characteristic of volcanic rocks. These are air spaces that remain in the rock after the lava solidifies. Vesicles, which are spherical or elongated cavities with a circular or elliptical outline, are formed when dissolved gas comes out of the magma as it cools rapidly.

In the cooling lava, the gases that escape leave behind small, rounded, or elongated cavities that can be seen with the unaided eyes. Hence, volcanic rocks associated with basaltic volcanoes are usually black or red in color and frequently contain vesicles.

Therefore the option D is correct.

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Answer:

For the first question the answer is A

For the second answer is C

Explanation:

For number 2 it is because the inner core is made of solid iron and nickel

The number of births, either white or non white would experience a decline in the next few decades.

This would make the total population to be lower in years to come.

Fertility rates have dropped 50% overall during the past 70 years, globally. The empowerment of women in the workforce and in school, decreased infant mortality, and rising child-rearing expenses are some of the causes.

Infant mortality rates, women's employment rates, income levels, and social status are a few more variables that may have an impact on fertility rates.

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Answer:

The great oxidation event, also known as the Great Oxygenation Event or the Oxygen Catastrophe, was a significant period in Earth's history when oxygen levels in the atmosphere began to rise dramatically. This event had a profound impact on the evolution of life on Earth, including humans.

During the great oxidation event, oxygen levels in the atmosphere increased from less than 1% to around 21%, the level they are today. This increase in oxygen was caused by the emergence of cyanobacteria, also known as blue-green algae, which are photosynthetic organisms that produce oxygen as a byproduct of their metabolic processes. Over millions of years, these cyanobacteria released large amounts of oxygen into the atmosphere, gradually increasing the overall oxygen levels.

The increase in oxygen levels had a number of significant impacts on the evolution of life on Earth. One of the most important was the emergence of aerobic respiration, a process that allows organisms to use oxygen to generate energy. This allowed many organisms to evolve and thrive, leading to a greater diversity of life on Earth.

For humans, the great oxidation event had a number of important effects. One of the most significant was the emergence of complex, multi-cellular organisms. The increase in oxygen levels made it possible for these organisms to evolve and thrive, leading to the development of plants, animals, and eventually humans.

Additionally, the increase in oxygen levels may have also contributed to the extinction of certain organisms that were unable to adapt to the changing conditions. For example, some researchers believe that the rise in oxygen levels may have led to the extinction of many anaerobic bacteria, which are unable to survive in an oxygen-rich environment.

Overall, the great oxidation event was a significant period in Earth's history that had a profound impact on the evolution of life, including humans. It helped to pave the way for the development of complex, multi-cellular organisms, and may have contributed to the extinction of certain species.

An example of someone using a simple machine to do work is when a mother pushes a stroller up a ramp into a building. This scenario involves the use of a ramp, which is a type of inclined plane, to reduce the effort required to lift the stroller vertically.

Among the given options, the example of a mother pushing a stroller up a ramp into a building is the best representation of using a simple machine to do work. In this scenario, the ramp serves as an inclined plane, which is one of the six simple machines. An inclined plane is a flat surface that is slanted, allowing for easier movement of objects from a lower level to a higher level. By using the ramp, the mother can reduce the amount of force required to lift the stroller vertically, making it more manageable and efficient.

The other options, such as a boy running across a football field, a girl eating a sandwich, or a banker counting money, do not involve the utilization of a simple machine to perform work. These activities may involve physical actions or processes, but they do not demonstrate the application of a simple machine as a tool to make work easier or more efficient.

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Answer: Mumbai is a city that presents both opportunities and challenges to its residents.

Explanation:

On one hand, Mumbai is considered the financial capital of India and a hub for business and industry. It attracts people from all over the country and the world with opportunities for employment, entrepreneurship, and higher education. The city is home to many large corporations, startups, and academic institutions, providing a wealth of opportunities for people to grow their careers and pursue their dreams.

On the other hand, Mumbai is also a city with significant challenges. Its rapid growth and development have resulted in issues such as overcrowding, traffic congestion, and pollution. The cost of living in Mumbai is relatively high, making it difficult for many people to afford housing and basic necessities. In addition, the city faces ongoing challenges related to infrastructure, including inadequate public transportation and a lack of affordable housing options.

In conclusion, while Mumbai is a city with significant opportunities for growth and development, it also presents many challenges to its residents. Balancing these opportunities and challenges is an ongoing process that requires thoughtful planning and investment in infrastructure and resources.

Limestone is the rock that weathers into caves and lumpy hills.

Limestone is a sedimentary rock primarily composed of the mineral calcite, which is formed from the accumulation of shells, coral, and other organic remains.

Limestone is soluble in water containing carbon dioxide, which leads to a unique type of weathering known as karstification. Karst landscapes are characterized by the dissolution of limestone, resulting in the formation of caves, sinkholes, and lumpy hills.

The process of weathering in limestone begins with the acidic water dissolving the calcite minerals, gradually enlarging cracks and fractures within the rock. Over time, these openings expand to form caves and underground passages. As the water continues to flow through the caves, it dissolves more limestone and carries away the sediment, leaving behind unique cave formations such as stalactites and stalagmites.

Additionally, the weathering of limestone can create lumpy hills on the surface. As the limestone dissolves unevenly, pockets of resistant rock may remain, forming irregular mounds or hills. These lumpy hills are often a characteristic feature of karst landscapes.

In summary, limestone is the rock that weathers into caves and lumpy hills through the process of karstification.

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Describe the settlement of Tekwane north​: He discovered Venus's levels. He argued that Earth rotates on its axis. He explained the idea of retrograde movement.

Right here Venus actions smoothly from a thin crescent to a half-lit segment, and eventually a gibbous section. We do not see Venus in a new phase or full phase due to the fact that the lineup, Venus, with the sun makes observing the planet impossible.

Venus orbits the solar, circling interior of Earth every 225. In its smaller orbit, Venus speeds across the solar extra quickly than Earth does. which means that Venus is every so often enormously close to Earth; in other instances, it's on the opposite facet of the solar. it's this transformation in relative positions that causes the levels of Venus.

Whilst Venus is closest to the Earth it's miles in its new section and can't be seen. whilst Venus is in its complete phase it's miles at its most remote from the Earth but nevertheless cannot be visible as it's far behind the sun. Venus is brightest when it's far 39 ranges from the sun. This happens 36 days before and after its complete section.

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Answer: The family has a role in socialization in cities and villages.

Explanation:

Family is a group of people which includes parents and their children and any other person lives with affection and relation. The family forms intra-social and inter-social bonds. The family members are linked with each via relation, need based, and due to responsibility. This helps family members to seek help from other family members when needed. But to link with the society the members of the family forms a bond by helping people, communicating with people, and analyzing people. This helps family in socializing with people of villages and cities they can seek help and make a bond with the society.

In setting up displays, the rule we must adhere to All price tags must be matched to the correct product. The correct option is b.

A product is an item offered for sale. A product can be a service or an item. It can be physical or virtual or cyber form. Every product is made at a cost and each is sold at a price. The price that can be charged depends on the market, the quality, the marketing and the segment that is targeted.

Each product has a useful life after which it needs replacement and a life cycle after which it has to be re-invented.

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