Fact 1: The Earth being tilted on its rotating axis causes seasons. Fact 2: Latitude and season cause temperature variations. Given the two facts above, what causes yearly temperature variations?
pick from the following.
i. earth's rotation
ii. scattered light
iii. earth's bend on rotating axis
iv. exposure to cold
v. depress neuronal excitability
vi. earth's tilt on rotating axis
vii. wind and erosion
viii. earth's tilt on rotating half
vi.