Answer:
first it start from small atoms and change slow
Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.
The more the people, the more pollutant they generate which will pollute the the water.
Cyclins are a family of proteins that <u>[</u><u> </u><u>A </u><u>]</u><u> </u><u>Regulate</u><u> the</u><u> </u><u>cell </u><u>cycle</u>