at what week do fingernails start to form for a developing baby

Answer:

structures include chloroplasts, the cell wall, and vacuoles.

Explanation:

because one has it and the other dose not

Answer:

As drogas diuréticas ajudam os rins a aumentar a quantidade de sal e urina removida na urina. Isso é pertinente porque o excesso de sal no corpo pode levar ao aumento da pressão nos vasos sanguíneos. O excesso de líquido não necessário ao organismo é assim removido. Esses medicamentos tornam-se eficazes dentro de 2 horas após a ingestão. Um exemplo típico é a clortalidona.

Answer:B

Explanation:The project distributed green turtle eggs and hatchlings to various nesting beaches around the Caribbean and the Gulf of Mexico in an effort to encourage the growth of their dwindling populations. His conservation efforts also led him to lead campaigns against ocean pollution.

The given statement " To be considered a source of water pollution, the source must include a chemical" is False because a source of water pollution can include not only chemicals, but also physical contaminants like sediment or biological agents like bacteria and viruses.

Numerous factors, such as physical, biological, and chemical contaminants, can lead to water contamination. Although chemicals are frequently the cause of water pollution, a source need not contain a chemical in order to be regarded as a source of water pollution.

For instance, without the use of chemicals, soil erosion, sewage, farm refuse, and stormwater runoff can all cause water pollution. Therefore the given statement in false.

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Answer:

El xilema es un tejido vascular que transporta agua y minerales disueltos absorbidos desde las raíces al resto de la planta. El floema es un tejido vascular que transporta compuestos orgánicos solubles preparados durante la fotosíntesis desde las partes verdes de la planta al resto de la planta.

Explanation:

Answer:

unque no podamos imaginárnoslo, el cuerpo humano no es más (ni menos) que un conjunto de elementos químicos en diferentes proporciones. Casi el 99% de la masa del cuerpo humano está formada por seis elementos: oxígeno (65%), carbono (18%), hidrógeno (10%), nitrógeno (3%), calcio (2%) y fósforo (1%). El pequeño porcentaje restante (~1%) está formado por una larga lista de otros elementos, de los cuales podemos destacar el potasio, el azufre, el sodio, el cloro, el magnesio, el yodo, el hierro y el zinc. Todos estos elementos son necesarios para la vida

Explanation:

Answer: Cover five days or less

Explanation:

Cover five days or less is the correct answer because in short range forecasts , high goals models are Majorly used for this and are Majorly the atmospheric model which require the use of high quality personal computers and these PCs normally require five days to foresee guage of the independent model investigation and short range conjecture normally require 0.5 to 2.5 days which normally use to get the isobar or weight.

Therefore, short range forecast cover 5 days or less.

Answer:

a

Explanation:

Answer:

true

Explanation:

False, there is a difference between primate language and human language.

While both primates and humans possess the ability to communicate through various forms of language, there are distinct differences between primate language and human language. Primates, such as chimpanzees and gorillas, use a form of communication known as "primate language," which primarily consists of vocalizations, gestures, and body language. However, primate language is more limited in its complexity and lacks the grammar, syntax, and abstract thinking present in human language.

Human language, on the other hand, is characterized by its rich vocabulary, grammatical structures, and the ability to convey abstract concepts and ideas. Humans can communicate through spoken and written language, allowing for complex communication that is not observed in primate language. Thus, while both primates and humans possess language capabilities, human language is more advanced and distinct in its complexity.

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Answer:

C

Explanation:

On detecting less amount of water in blood the hypothalamus gives signals for releasing the anti-diuretic hormone which causes kidneys to remove lesser amount of water from the blood.

Answer:

Convergent Plate Boundaries

Answer:

The answer is part A

Explanation:

True, below the lithosphere, terrestrial planet mantle is the layer of interior that lies beneath the crust and outer core.

Above the lithosphere, terrestrial planet mantles are primarily melted rock (magma) is because there aren't many SiO2 molecules that could be converted into glass by heat and pressure at great depths in the mantle—only CaO molecules can do so under these conditions (and they don't do it very well)..

The mantle has a thick upper mantle and a thin lower mantle. The upper mantle is where most of the crust forms, because it contains relatively large amounts of silica from which the crust can grow. The lower mantle has a much higher proportion of iron and magnesium than the upper mantle does, and it also contains small quantities of silicon-30 (SiO2) and calcium-40 (CaO).

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Answer:

competition

Explanation:

The answer to this question is competition. When two organisms live together in the same natural habitat, there is bound to be competition for same environmental resources. These two would compete for water, food, territory and for mating partners. In this competition both of these organisms are harmed. They fight to use the same resources that are limited in supply

Answer:

it can cause a loss of oxygen. these are living things people need to stop killing things lol

Explanation:

Over a 1/3 of the air was oxygen in the Carboniferous.

During the Carboniferous period, which lasted from approximately 359 to 299 million years ago, the Earth experienced high levels of atmospheric oxygen. The lush vegetation that thrived during this period played a crucial role in increasing oxygen levels through photosynthesis, as plants release oxygen as a byproduct. The accumulation of plant material, particularly large forests of ferns, horsetails, and early trees, led to the formation of extensive coal deposits that we see today.

The high oxygen content in the atmosphere during the Carboniferous had significant impacts on both terrestrial and aquatic ecosystems. It provided an environment conducive to the evolution of a diverse range of organisms, including giant insects and early amphibians. The availability of oxygen also supported the development of larger body sizes, such as the presence of extra-large embryos in some marine organisms adapted to deep ocean depths.

Furthermore, the higher oxygen levels likely influenced the evolution of certain reproductive adaptations in various species. For example, the development of hard casing in eggs allowed them to be laid on land, providing protection and preventing desiccation. Soft-shelled eggs under intense water pressure may have been advantageous for organisms adapted to the depths of the ocean.

Overall, the elevated oxygen levels in the Carboniferous had profound effects on the ecology and evolutionary history of life, shaping the characteristics and adaptations of organisms during this time.

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To transport water and mineral salts to all parts of the plant, and to withstand pressure.

To draw a cell we have to consider that they are formed by different organelles and structures. Between plant and animals cells those structures share similitudes and differences in terms of whether they are present or not. One of the main differences between these two kinds of cells is the cell wall present in plant cells, and the absence in animal cells, which gives a rigid aspect to the former ones, with respect to the latter.

We can notice that there are evident differences, like the presence of centrioles in animal cells, and the presence of chloroplast in plant cells. In plants, we can also find large vacuoles than in animal cells.

Keratinocytes are differentiated skin cells found in the outermost layer of the epidermis. Dendritic cells are antigen-presenting cells that play important roles in the adaptive immune response.

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i got youu

Answer:

This picture is modeling how animals get nutrients and how it looks. If you look in the photo, you can see many animals and arrows pointing at one another, This shows animals fighting each other. An example would be the girafee, If you look closley the photo is showing the girafee getting nutrients from the tree. This shows the girafee getting the organisms it needs in order to survive.

Answer:

a) Tall and purple

b) Tall and white

c) short and white

d) short and Purple

Explanation

when both alleles are same it is called homoozygous condition and when alleles are different it is called heterozygous condition

As tall(T) and purple(P) characteristics of plant are dominant so no matter whatever the alleles are,

                                    TT or Tt its going to be tall

                                    PP or Pp its going to be purple

TT and PP are Homoozygous Dominant

Tt and Pp are Heterozygous Dominant

but to get short or white both the alleles should be homoozygous recessive that is,

           tt for short

           pp for white

Answer: Incomplete domination.

The recessive alleles' traits are not fully covered by the dominant allele.

Answer: Incomplete Dominance

It traveled from the head and down the neck in a caudal direction, then turned and traveled in a lateral direction, and ended up at the fingertips, distal to the elbow.

What is direction?

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Answer:

The mollusk circulatory system uses a heart to pump blood through the organism, and the respiratory system of aquatic mollusks centers around their gills. The heart pumps blood through blood vessels that lead from the gills into body cavities called hemocoels.

Answer:

2nd

Explanation:

Answer:

Explanation:

A missing layer of rock is called an unconformity. It forms a gap in the geologic record.

The most important difference between species richness and species diversity is: a) Species diversity takes species number AND relative frequency into account.

Species richness refers to the total number of different species present in a given area or community. It focuses solely on the count of species without considering their relative abundance or distribution. On the other hand, species diversity incorporates both species number and their relative frequency or abundance. It takes into account not only the number of species but also their proportional representation within the community. This provides a more comprehensive measure of the variety and evenness of species in an ecosystem.

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Answer:

Chloroplasts

Explanation:

You would find more of these in the leaves because they have more surface area. More surface area helps them go through photosynthesis. The leaves also get more light so the chloroplasts are mostly on the leaves so the light can reach them

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Vinegar is made up of acetic acid and water. Hence, it contains more water as compared to the content inside the egg.

The water will move from outside to inside till they attain the same concentration. This is known as Osmosis. It is the process of movement of solvent molecules from higher concentration to lower concentration.

In this condition, The content inside egg is having lesser solvent as compared to vinegar, and more solute as compared to the same. Hence, Egg is Hypertonic here.

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By looking at forelimbs of several vertebrates (animals with backbones), we can see that they have similar bone structure even though limbs have completely different functions/ forms. This tells scientists that these organisms all have a common ancestry or shared evolutionary history.

By looking at the forelimbs of vertebrates, scientists can see that they have  similar bone structure even though the limbs have different functions or appearances. This similarity suggests that vertebrates all share common ancestor, which had a forelimb with similar bone structure.

The presence of homologous structures, such as the forelimbs, provides evidence for evolution and helps scientists understand the relationships between different species. By comparing homologous structures, scientists can infer evolutionary relationships between organisms and reconstruct evolutionary history of life on Earth.

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Answer:

Explanation:

To calculate how much more blood flows per minute to the skeletal muscles during intense exercise than during rest, we need to use the following formula:

exercising - resting = increased blood flow

Substituting the given values, we get:

exercising - resting = increased blood flow

exercising - 1,200 cm³/minute = 4.CC

To solve for exercising, we need to isolate the variable on one side of the equation. Adding 1,200 cm³/minute to both sides, we get:

exercising - 1,200 cm³/minute + 1,200 cm³/minute = 4.CC + 1,200 cm³/minute

exercising = 4.CC + 1,200 cm³/minute

Therefore, the equation to calculate how much more blood flows per minute to the skeletal muscles during intense exercise than during rest is:

exercising = 4.CC + 1,200 cm³/minute