Biology, 11.02.2021 05:00 mcalepcrager
Help? I really can't afford to fail this test. :( Which describes a difference between birds and mammals? O Birds protect and feed their young. Birds have nearly hollow bones. Birds undergo internal fertilization. O Birds efficiently transport oxygen to cells.​
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Biology, 22.06.2019 03:40
Organisms that successfully adapt will leave to grownone of the above
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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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Biology, 22.06.2019 14:10
Climate like that in the sahara desert have the fastest rates of weathering
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Help? I really can't afford to fail this test. :(
Which describes a difference between birds and ma...
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