What's the circumference of the Sun

The majority of renewable power in South America comes from which source? nuclear power plants coal hydroelectric dams solar panels

How many continents are there

The Renaissance revived a passion for

How were the Lesser Antilles formed? A. By volcanic mountains. B. By glacier movement. C. By an underwater mountain chain. D. By accumulated sand.

Conglomerate is primarily mud or clay. True False

I'm looking at the mineral feldspar. if it does, how does light travel through feldspars crystal structure? can someone explain feldspar crystal optics to me?

What are the 3 land formations / events found near plate boundaries?

Which of the following states is not part of the four corners? New Mexico, Utah, Colorado, Nevada Arizona?

What was the book called that was a collection of Confucian ideas?

What happens to the orbit of Earth when its velocity is halved? a. The orbit of Earth around the Sun becomes smaller c. The Earth escapes the Sun b. The orbit of Earth does not change d. The orbit becomes more elliptical