Why does the moon appear dark from space? But why does it appear bright when observed from earth, especially when it is full moon?

The moon is actually quite dim.

Explanation:

compared to other astronomical bodies. The moon only seems bright in the night sky because it is so close to the earth and because the trees, houses, and fields around you are so dark at night. In fact, the moon is one of the least reflective objects in the solar system.

It reflects the light send from the sun.

Explanation:

If the moon is between you and the sun, you will see the back of it which doesnt reflect light.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this