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Biology, 21.06.2019 18:30
This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is
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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?
Answers: 1
Biology, 23.06.2019 03:00
Aincludes all the ways an organism lives and interacts with its environment. a. population b. habitat c. ecosystem d. niche
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Biology, 23.06.2019 05:30
An organ composed mainly from epithelial and nervous tissues converts vibrations into impulses that are sent to the brain . which organ could this be ?
Answers: 1
Neurotransmitter release occurs by what mechanism?...
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