Question
wally discussion frompts
7th Grade Week 24 Days 116-120
EC February 17
Due: Tuesday, February 21, 2023 at 11:59 pm • & Locks on Sunday, March 19, 2023 at 11:59 pm
Ocean currents bring deep, nutrient-rich water to the surface. What causes these currents to move upward?
a. Warm rainwater mixes with surface water, pushing deep water upward.
b. Cold surface water from the poles sinks, pushing deep water upward.
c. wind currents cause surfate water to sink, pushing deep water upward
d. Surface runoff from rivers causes warm water to sink, pushing deep water upward.
Answer
b. Cold surface water from the poles sinks, pushing deep water upward.