Master Biology with Fun Quizzes & Brain Teasers!

Your friend tells you that she saw a bright object with atail that lasted a few moments in the night sky. She thinks itmight have been a comet. Is she correct? Why or why not?If not, what did she likely see? Write your answer below incomplete sentences.Please Hurry!!! Thank you
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what's the example for D and E
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1. At the time this video was filmed (2007), what was Gallo's estimate of the percentage of earth's oceans that had been investigated? How might this impact not only how we view the oceans, tides, and the entire marine ecosystem, butalso the world and climate in general?
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CAN SOMEONE TELL ME PLEASE
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Flexible shoulder movement is made possible by the presence of which bone?a) the clavicleb) the skullc) the jawd) the molar
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Beginning in the 18th century, human activities has increased the amount of greenhouse gases (suchas carbon dioxide) through burning of fossil fuels, electricity and heat production, agriculture,manufacturing, and engines used for transportation. These activities amplify the natural "greenhouseeffect" and cause the average temperature on Earth to increase. This gradual increase in averagetemperatures on Earth is known asa) global warmingb) weatherc) carbon footprintd) Earth heating
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how does inadequate brain development by isolation effect you
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Pls helpppppppppppp its due today
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DOES ANYONE KNOW THIS PLEASE HELP
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Why do you think heart disease is so prevalent in the United States? How could heartdisease affect other organ systems?
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CAN SOMEONE PLEASE HELP I AM ON THE LAST QUESTION
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do you inherit traits sibling false are true ?
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Distinguish between smooth endoplasmic reticulum and rough endoplasmic reticulum.O Rough endoplasmic reticulum has ribosomes attached to its surface.O Smooth endoplasmic reticulum has vacuoles attached to its surface.O Smooth endoplasmic reticulum has ribosomes attached to its surface.O Rough endoplasmic reticulum has vacuoles attached to its surface.
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can someone please help PLEASE PLEASE
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All of the following are sources of carbon in the atmosphere except a. Cellular respiration b. Burning fossil fuels C. Photosynthesis d. Volcanoes
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Asexual reproduction occurs during which of the following processes?
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Which best explains why muscle cells have more mitochondria than skin cells?AMuscle cells divide more often than skin cells.BMuscle cells make more protein than skin cells.CMuscle cells require more energy than skin cells.DMuscle cells break down more waste than skin cells.
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In Alaska, grizzly bears must eat 10 fish and drink up to 25 liters of water to live. A local river can provide about 150 fish a day without damaging the fish population. What is the limiting factor for this population?
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According to the diagram, how would the earth, moon, and sun be arranged if the low tide is at its lowest for the month?ADBC
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What the cell types of Eubacteria, Archaebacteria, Protista, Fungi Plantae Animalia
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What mechanism does a cell use to move these small potassium ions into the cell against the concentration gardient
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What is chlorophyll and where is it located? in a short answer pls
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How are these cell organized? Eubacteria, Archaebacteria, Protista, Fungi, Plantae, Animalia
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Which of the following is a true statement about photosynthesis??
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