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