A cell, they are the tiniest living thing on earth.
<span>ammonium nitrate is found in fertilizers</span>
Answer:
The plasma membrane is made up by a phospholipid bilayer with embedded proteins that separates the internal contents of the cell from its surrounding environment. Only relatively small, non- polar materials can easily move through the lipid bilayer of the plasma membrane.
Explanation:
D. The heat is there via convection from the sun
