First Sao Paulo has more buildings
They are all top producers of diamonds
Because the time span of Earth's past is so great, geologists use the geologic time scale to show Earth's history.
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Answer:
Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation. ... Gene regulation also allows cells to react quickly to changes in their environments.
