NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!
Fill in the blank

After to oil and gas, the second most extracted resources from the

continental shelf are ________ and ________.


krill and plankton


sand and gravel


salt and pepper


silver and gold

The oxygen concentration of the ocean is the same at all depths.
True

False

The salinity in a saltmarsh may change when freshwater from a river or stream enters the marsh.
True

False

Fill in the blank

Marine habitats vary in physical parameters such as temperature, salinity and _______?


time


rain


sunlight


radiation

Where does thermohaline circulation occur?


bays and estuaries


warm surface waters close to the coast


Marianas trench


deep in the oceans

A biogeochemical cycle is a pathway for chemicals necessary for life to move through the environment.
True

False