4. The picture shows a full moon. Which sentence explains why the moon appears to be a full circle?
A. The moon is facing away from Earth.
B. The moon is at its closest distance from Earth.
C. The entire lighted half of the moon directly faces Earth.
D. The part of the moon in Earth's shadow faces the sun.

A full moon occurs when the Moon appears as a complete circle in the sky.

Explanation:

- We see it as a full orb because the whole of the side of the Moon facing the Earth is lit up by the Sun's rays.

- The moon shows no visible light of its own, so we only see the parts of the moon that are lit up by other objects.

relative humidity is a measure of the amount of moisture in the air relative to the total amount of moisture the air can hold.

so d

a c d and f

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