What process can cause water in aquifers to become brackish and unusable for agriculture? A) volcanic activity

B) eutrophication

C) erosion

D) groundwater infiltration

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

What controls activities within a eukaryotic cell?

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)