Answer:
Base substitutions, deletions, and insertions
Explanation:
Answer:
Areas where the air is warmed often have lower pressure because the warm air rises. These areas are called low pressure systems. Places where the air pressure is high, are called high pressure systems. A low pressure system has lower pressure at its center than the areas around it.
Explanation:
Mark brainiest'
Answer:
I think it's B
Explanation:
During QRS that's when the depolarization happens and when that happens the ventricles contract and push blood to the lungs and body.
The Crossing Over only occurs in the meiosis on prophase I and metaphase I
