Explain why decomposition uses solar energy

Decompostion uses solar energy because for hydrogen and oxygen.

Explanation:

Without the sun's energy, biological life would not be able to exist to decompose. Many microbes and fungi do their best work out of direct sunlight.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be