Answer:
The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!
Explanation:
In interphase the dna is the form of loose threads called chromatin
Protein synthesis can be increased by <span>a) turning on gene expression.</span>
Answer:
Troposphere
Explanation:
Almost all weather activities take place in the troposphere