Answer:the cell membrane provides protection for a cell
Explanation: that some molecules can diffuse across the lipid bilayer but others no
Option B cause you can continue using it many times
Zone 3 is a tropical zone, while zones 2 and 4 are temperate.
Since Zone 3 is around the equator and between the two tropics, it is a tropical zone.
Zone 2 and 4 are temperate since they are farther away from the equator, but not too close to the North and South poles.
I hope this helped! :-)
The overall function of light-dependent reactions, the first stage of photosynthesis, is to convert solar energy into chemical energy in the form of NADPH and ATP, which are used in light-independent reactions and fuel the assembly of sugar molecules.
Your Answer would probably be C.
Humans do not build natural Mountains
