Answer:
A. movement of molecules across a semipermeable membrane against a concentration gradient with a protein
Answer:
Explanation:
Not only is the biota important, but the abiotic factors in the ocean are also important because both groups work together. The abiotic factors in the ocean help the ocean to 'work'. For example, phytoplankton (autotrophs) need light, nutrients, CO2 (dissolved gases) to photosynthesize.
Answer:
cryosphere and atmosphere seems like it.
Explanation:
Heat must be added to make a reduction reaction.
