What is the rotational kinetic energy of earth in its orbit around the sun?

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!