If earth suddenly had no moon, which biome would begin to change immediately and change the most? a) desert b) estuary c) ocean d) tundra

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