Biology

50 POINTS AND BRAINIEST what happens if public libraries do not obey the federal law?
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Regions with otters tend to host dense forests of kelp, a brown seaweed that anchors to the seafloor. Kelp forests provide a physical structure in which diverse marine communities find shelter and food. Sea otters prey on urchins, which consume kelp. According to James Estes, sea otter populations have dropped dramatically in Alaska and the Aleutian Islands. If sea otter populations in these areas continue to decline, what might happen with populations of sea urchins and kelp
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Thermococcus and thermoplasma what do they have in common?
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Why does a larger quantity of water take longer to freeze ?
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identify the type of blood vessels that artherosclerosis will affect. Why is it important that these blood vessels be elastic and flexible?
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What can the scientists most likely expect to find in the layers of rock that are about the same age as the impact?
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6. What is the complementary messenger-RNA sequence for the DNA sequence shown below?(Helpful hints: RNA has U not T. Under the C, write a G, Under G write a C, under A write U, under the T write an A for adenine.Portion of DNA: CAC ATT - write the complementary mRNA sequence belowPortion of mRNA:
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mitosis and meiosis ???????????/
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DNA is made of two chains of nucleotides. Which type of bonds hold the chains together?O hydrogen bondsO covalent bonds ionic bondsO polar covalent bonds
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What changes in the ecosystem will take place during secondary succession?
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The picture above shows some of the organs of the human body. Which organ does the letter W point to? A. liver B. pancreas C. lung D. heart
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Question 2 of 6 Which two pieces of data could indicate that a volcano is about to erupt? A. An increase in temperature near Earth's surface B. A change in the types of gas detected in the air OC. A drop in average air temperature in one region D. A decrease in the ocean level near a mountain range. HELPP ME PLZZZZ
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What happens when an electric charge moves?
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Which of the following ALWAYS contains organic carbon?O A. carbon compounds in certain rocksO B. carbon compounds in the atmosphereC. carbon compounds in ocean waterO D. carbon compounds in living organisms
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When soil first forms over bare rock, what is it made of?
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Which is a characteristic of something in the domain archaea?A: Can not live in an extreme environment B: Multicellular C: membrane-enclosed organellesD: No cell nucleus
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What are the collecting chambers of the heart? What are the pumping chambers of the heart?
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1. Explain where most of your food originally came from and how your cells obtain and use that food.
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PLEASE HELP !!ILL GIVE BRAINLIEST NO LINKS OR FILES.
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The key to identifying a Combustion reaction is
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Which physical property of a medium is defined by how close the particles of the substance are to each other?
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What is the type of relationship between a rabbit and a leopard?
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100 POINTS! AND GIVE EXPLANATION! a student made this model of carbon dioxide moleclue. it has one carbon atom and two oxygen atoms what is the correct way to write carbon dioxide the chemical name forA: C2OB: COC: CO2D: CO
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The vascular tissue of a plant transports various substances. Which substance would you expect to find in phloem, but not in xylem? a. Glucose b. Iron c. Potassium d. Water
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