8.3 Patters of Circulation in the ocean

Multiple Choice

Why are patterns of circulation in the ocean important for marine life and global climate?

• They help regulate temperature and distribute nutrients

• They only affect the movement of ships

• They have no impact on climate

• They only influence tides

Multiple Choice

Which of the following factors affect the movement of surface currents in the ocean?

• Global wind belts

• Unequal heating of Earth

• Rotation of Earth

• All of the above

Multiple Select

Select all the statements that are true about El Niño and La Niña events.

• El Niño causes warmer surface waters in the Pacific.

• La Niña causes colder than normal winters.

• El Niño strengthens the winds in the Pacific.

• La Niña prevents cold water from rising to the surface.

Fill in the Blanks

Water is

if it is cold or salty.