Answer:
in a stable population,the birth and death rates depend directly on the variance of age at death
The source of the centripetal force for this action is tension
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C. Amino Acids.
Proteins consist of strands of amino acids, which is produced in the ribosomes of the cell.
Jet airplanes take up a lot of fuel and money. Not only are they burning fossil fuels quickly, but they're also being flown on a basis. Planes are sent out constantly, and the amount of carbon it releases into the atmosphere is incredibly dangerous.
