Answer:
gas station, or butt
Explanation:
the gas station can fill your car and exchange gas with the pump. when you fart you exchange gas with the air.
Answer:
The way that the Universe works, the way that different things in life contribute to one another.
Explanation:
Dang, that got deep real quick
Active transport requires energy when moving molecules against a concentration agent. It requires for specific membrane transport proteins. Only a certain type of protein can move a certain type of substance.
The three main types of Active Transport are:
1) Sodium-Potassium Pump
2) Endocytosis
<span>3) Exocytosis </span>
Muscles and internal organs
The answer is two and four hope this helps
