Answer:
Today, one second is defined as “9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom”. That's a mouthful.
Answer:
4 Charles Darwin was not able to explain the variation
True there are temperate rainforests in Oregon, and other places
Answer:
Light dependent reaction and the Calvin cycle
Explanation:
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