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What is the source of most of the salt in the ocean?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
How is the deep ocean floor different from the shallow parts of the ocean floor near land?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
How are estuaries different from lakes or the ocean?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
Which region of the sea is affected by changes in the tides?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
Producers in the upper part of the ocean get nutrients from
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
Which of the following is the main reason why the ocean is salty?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
Which are the main producers in the ocean?
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
All of the following determine specific ocean zones except:
Shore
Estuaries contain both saltwater and freshwater.
The deep ocean floor is flatter than the parts of the ocean floor near land.
Algae and other microscopic organisms.
Surface water carries salt from land into the ocean.
Rocks on land
Currents
Materials brought to the surface by upwellings.
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