What forms of energy are involved with snow on the mountain breaks loose resulting in an avalanche?

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

What kinds of molecules can pass through the cell membrane without any problem?

The two main stages of cell division are called