Sandy wanted to take pictures of cirrus clouds at school; however, the morning weather report indicated a low-pressure system over her area. Why will Sandy have to wait to see cirrus clouds?

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