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Q 1/6
Score 0
What role does heat play in the formation of convection currents?
120
When water loses heat to cooler water, the cooler water becomes denser and sinks
When water gains heat, it dissolves more solids and gases, becomes denser, and sinks.
When water loses heat, it becomes denser and sinks
When water gains heat, it becomes denser and sinks
Q 2/6
Score 0
Which action can cause an increase in density that results in a deep ocean current?
120
Warm water loses energy to its surroundings and cools.
A warm wind blows across cold water.
The sun heats the water's surface.
An iceberg melts, adding fresh water to ocean water.
6 questions
Q.
What role does heat play in the formation of convection currents?
1
120 sec
Q.
Which action can cause an increase in density that results in a deep ocean current?
2
120 sec
Q.
What causes an upwelling in the ocean?
3
120 sec
Q.
If a massive amount of salt was dumped in the ocean, how would the movement of water be affected?
4
120 sec
Q.
Which sequence shows the chain of energy transfers that create surface currents on the ocean?
5
120 sec
Q.
Different factors influence the movement and direction of ocean currents. What factor causes surface currents north and south of the equator to move in different directions?
