Answer:
Air Pressure
Explanation:
The weight of the air that pushes down on us is air pressure, and air pressure changes depending on where you are.
<span>respiratory circulatory digestive</span>
Answer - A
Semi-conservative model of replication involves the replication of DNA in all the familiar cells in such a way that each newly synthesized daughter cell contains a double helix with one new strand and one old strand.
8.3 × 10-6 meters=77 meters
Answer, =8.3=77 meters