What needs to happen to jeff's post-synaptic membrane to remedy his paralysis? physiologically what do we need more of, and where?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

One of the reasons that stars are so large is because

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil