What is the ultimate source of thermal energy on the planet?

A. the atmosphere

B. the ocean

C. the sun

D. the weather

An inherited characteristic that improves an organism's chances to survive and reproduce is an adaptation.

Bubba wants to determine a mineral's hardness because he loves them so much. He can scratch the mineral with an iron nail but cannot scratch the mineral with a penny. What is the approximate hardness of Bubba's mineral? A. Less than 2.5. B. 4.5 to 5.

Canada's oil deposits are mostly located in:

What is bigger 1/2 or 1/4

What country is most effected by aging population? what country is most affected by aging population

Large-scale atmospheric phenomena caused by air that is constantly in motion is known as

What is the best definition of wind?

Which statement is true regarding the layers of earth They all consist of liquid rock They all vary in size They are all under an equal amount of pressure They will soon combine, forming a thick layer

Which of the following is an example of a conditional statement

According to the map the trade route between ancient Egypt and the Indus Valley was approximately