Detailed explanation and options for the selected question.
What is the main cause of ocean tides on Earth?
A.
Wind action
B.
Temperature gradients
C.
Earth’s rotation alone
D.
Gravitational pull of the Moon and Sun
Explanation:
Moon’s gravity (and Sun’s to a lesser extent) primarily causes tides. Wind can cause waves, Earth’s rotation affects cycles, temperature gradients are for currents.
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