Answer the problem. Use GRESA. A 80-kg person walks from the ground to the roof of a 90m tall building. How much gravitational potential energy does she have at the top of the building?​

The vedas were a collection of aryan religious writings t or f

Which factors add to the greenhouse effect and are caused by human activities?

Which movement developed in the early 1900s and encouraged the nationalist spirit of africans throughout the world? a. african nationalist b. tribalism c. pan-africanism d. african union