Space satellites
Environmental
Explanation:
Velocity refers to how fast the air is moving in distance per unit of time. While pressure is the measure of force applied on an area.
<span>The answer to this is Halcion which is medical treatment given to patients with sleeping disorders such as insomnia. It helps you fall asleep faster and for a longer period of time.</span>
A gene pool changes throughout evolution this could be natural selection, genetic drift or a mutation. A gene pool does this to adapt with the needs of the environment it is in