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Biology, 22.03.2021 19:40 anaroles04
Pls help if you can! Based on what we just learned about sonar systems used on naval vessels, what would be the biological equivalent to this in animals. (Hint: Think about animals that are nocturnal or live underwater.)
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Biology, 22.06.2019 09:40
80 points pls brainliest 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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Pls help if you can! Based on what we just learned about sonar systems used on naval vessels, what w...
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