Nutrients cross the membrane wall with the help of protein channels.
Answer:
A volcano
Explanation:
Is a vent or fissure in the Earth's surface through which molten rock and gases are expelled. Molten rock is called magma.
<span>Segregation would be the answer :)</span>
Answer:
A
Explanation:
Earth's orbit is not constant because it does not travel in a circle but more of an ellipses.
