The shape of the orbit in which planets revolve around the sun?

All planets move in a fixed path called _____.

The orbits of planets around the Sun or satellites around the Earth can be _____.

This is a section of the earth to depict the inner layer. What does N represent?

In which direction do these things fall?

Rocks that come loose from a hillside.

In which direction do these things fall?

Leaves, flowers, fruits from a tree.