#### Question

Write the letter of the correct answer on the line at the left. _ What causes solar radiation to strike different parts of Earth's surface at an angle that varies throughout the year? A.Earth's tilted axis B. Earth's erratic orbit C. the moon's orbit around Earth D. solar flares on the sun's surface

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#### Step 1

1 of 5

$\textbf{The Earth's axis is tilted}$ and its inclination never changes. The Earth turns from west to east and that direction also never changes.

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