Hey there!
<span>What activates a convection current, starting the flow of a fluid ?
Answer: </span>
<span>D. Temperature differences in the mantle
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Answer:
liquid
Explanation:
Gas has very low density but spreads fast. Solid has high density.
Answer:
• potential for a species to increase in number
• the heritable genetic variation/ which results from mutation in dna
• the size of a population increases
• competiton for resources that are limited in that specific environment.
Explanation:
these are all factors that would affect natural selection although there are many more.