The earth's differentiation and size were significant factors for life on earth because earth's composition and gravitational attraction a: keep the moon and sun in orbit b: keep the people grounded c: to create and retain earths atomosphere d: create and retain internal heat

The earth's differentiation and size are significant factors for life on Earth because Earth's composition and gravitational attraction : helps to retain Earth's atmosphere.

Africans learned what the europeans wanted them to learn. instead of learning about african history and current information that could and would them they learned solely what europe wanted them to. and not everyone received the same education, some received better and others none.