An ice fisherman has fallen through the ice. in response to the cold water, sensors in the man's skin send a "cold" signal to the in the man's brain, which in turn sends signals to muscle cells to begin to contract. as a result of this process, the fisherman begins to shiver.
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Biology, 21.06.2019 20:30
Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time
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Biology, 22.06.2019 07:00
What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).
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Biology, 22.06.2019 10:10
20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
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An ice fisherman has fallen through the ice. in response to the cold water, sensors in the man's ski...
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