Biology, 12.02.2022 09:00 franstirlacci
I am a phototrophic bacterium. I release oxygen into the atmosphere as I carry out my metabolism. I can live as a single cell or in colonies. Some of my species can even fix nitrogen. Who am I
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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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Biology, 22.06.2019 15:30
On his trip to the galapagos islands, darwin determined that animals on the islands
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Biology, 22.06.2019 16:20
Some of the money that people deposit into a bank eventually becomes a interjection into the economy when the bank
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I am a phototrophic bacterium. I release oxygen into the atmosphere as I carry out my metabolism. I...
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