Deep Currents Quiz

The density of seawater is affected by ___________ and __________.

• Temperature and salinity

• Temperature and upwelling

• salinity and waves

• salinity and gyres

Deep-Ocean currents are put in motion by ________________ _______________.

• winds

• topography

• earthquakes

• density differences

Where does the cold, dense, saltier water come from?

• cold wind

• Warm surface water from the equator

• Cold surface from the equator

• Polar ice caps

Surface water temperature varies depending on what?

• Longitude and direct sunlight it receives

• Latitude and direct sunlight it receives.

• Longitude and indirect sunlight it receives.

• Latitude and indirect sunlight it receives.

The area where the water temperature drops drastically is know as what?

• Density difference

• Upwelling

• Thermocline

• Indirect sunlight

Rich nutrients from the bottom of the ocean are brought up by______________.

• Upwelling

• salinity

• latitude

• winds