Ocean Water
Most ocean-water usage is for _____. mining industry desalination power plants
desalination
thermocline
transitional layer between the mixed surface layer and the deep water layer in the ocean
Surface water is ________ deep-ocean water. the same temperature as colder than warmer than
warmer than
Select all of the answers that apply. Jenna dives 20 meters into the ocean. How much pressure does she feel? 14.7 psi 44.1 psi 20 atm 3 atm one atmosphere
44.1 psi
As ocean depth increases, _____. pressure decreases temperature increases salinity decreases density increases
Density is greater in the thermocline and deep-water layer because the water is so cold. As temperature decreases, density increases. density increases
Which of the following statements is true? The ocean contains very little NaCl. Dissolved minerals from rocks are deposited in the ocean. Density is a comparison between volume and salinity. One atmosphere is equal to 20 pounds per square inch (psi).
Dissolved minerals from rocks are deposited in the ocean.
The temperature of ocean surface water depends on _____. salinity and density pressure and season latitude and season geography and density
Surface water temperature depends on latitude and season latitude and season
Density is ______ throughout the world's oceans. uniform varying
The density of ocean water is not uniform varying
The salinity of ocean water _____. increases with depth decreases with depth is uniform throughout the entire ocean
The salinity of ocean water increases with depth and the rate of evaporation, but the average salinity is 35 parts per thousand increases with depth
The water in Lake Fair has a salinity of 12 ppt. The water _____. is saltier than the ocean has 12 grams of salt per 1000 grams of water has a greater salinity than ocean water doesn't contain any dissolved salts
has 12 grams of salt per 1000 grams of water
salinity
measure of dissolved minerals and salts in water
desalination
process by which salt is removed from saltwater