About three billion years ago, single-celled organisms called cyanobacteria lived in Earth’s oceans. They thrived on the ocean’s abundance of
, which they used during the process of photosynthesis. Much later, this process allowed organisms, such as fish, to survive by extracting dissolved
from ocean waters.
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Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
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Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
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What are the similarities & differences between a thermistor and a light dependent resistor in physics?
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About three billion years ago, single-celled organisms called cyanobacteria lived in Earth’s oceans....
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