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Which direction do these gyres flow in the Northern Hemisphere?

• Counterclockwise

• Clockwise

• North to south

• South to north

Tags

NGSS.MS-ESS2-6

What effect could the melting of glaciers caused by global warming have on oceanic thermohaline circulation in the Northern Hemisphere?

• Terrestrial temperatures near western European coasts would increase.

• Overall nutrient levels would decrease.

• Surface and deep water circulation would stop.

• Ocean water would be less salty and less likely to sink.

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-5

The abundance of producers and fish off of the west coasts of certain continents is caused by:

• Low salinity.

• Upwelling.

• The Coriolis effect.

• Prevailing winds.

Tags

NGSS.MS-ESS2-6

What is one major role that gyres play in global climate?

• They drive global wind patterns in the Northern Hemisphere.

• They redistribute heat from the equator to northern latitudes.

• They redistribute tropical moisture.

• They redistribute heat from the north to the south.

Tags

NGSS.MS-ESS2-6

In what location does El Niño occur?

• Northern Atlantic Ocean

• Northern Pacific Ocean

• Tropical Pacific Ocean

• Tropical Atlantic Ocean

A gyre is an oceanic pattern of circulation that moves _________ in the Northern Hemisphere and ____________ in the Southern Hemisphere.

• North; south

• Clockwise; clockwise

• Counterclockwise; clockwise

• Clockwise; counterclockwise

Tags

NGSS.MS-ESS2-6

What is one significant effect of upwelling?

• It creates an area of high nutrient levels along the coast.

• It creates an area of high nutrients in the center of the ocean basin.

• It creates an area of high precipitation.

• It brings warm water to the surface of the ocean.

Where is upwelling most likely to occur?

• Along the west coast of a continent

• Along the equator

• In the center of ocean basins

• Along the east coast of a continent

Tags

NGSS.MS-ESS2-6

As water freezes or evaporates, what happens to the salinity of the remaining ocean water?

• Salinity increases.

• Salinity decreases.

• Salinity increases as water freezes, decreases as water evaporates.

• Salinity increases as water evaporates, decreases as water freezes.

Tags

NGSS.MS-ESS2-4