<span>B. converted from nucleic acids to amino acids in the nucleolus.
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So sound travels 1 kilometer in roughly 3 seconds and 1 mile in roughly 5 seconds. When you see the flash of a lightning bolt, you can start counting seconds and then divide to see how far away the lightning struck.
Over time, as oxygen levels decrease, CO2 levels increase. Respiration is correct as it uses oxygen as a reactant and releases CO2 as a byproduct.
Analogous. This means they share a similar function (flight) but do not have the same embryonic origin.