In addition to comets, water for Earth's early oceans might have come from

A. rain.

B. rivers.

C. cyanobacteria.

D. volcanic eruptions.

How does the sun, which is a ball of gas, maintain a spherical shape? A. The nuclear energy pulls the gas in, and gravity pushes the gas out B. The nuclear energy pushes out and the gravity pulls it is C.

Who found mars or who found gleise or who found Uranus or who found Jupiter?

Writing Expository Paragraphs Explain the divisions within Latin American colonial society. In your writing, use the following terms: peninsulares creoles mulattos.

Which provinces are known as canadas breadbasket

The two major volcanic regions are at the island arc and ring of fire. False: The Island arc isn't a region, but a landform.

In 1892, the People's Party convention produced the Populist Party.

Where is State of Palestine located

How is a rift similar to a deep ocean trench?

When Earth is the closest to the sun, the Northern Hemisphere is in winter. Why is this true?

The Democratic Republic of the Congo and the Central African Republic use ___ for their energy needs.