Which of the following describes how scientists separate the physical layers of the Earth? Group of answer choices

A Based on how the layers interact with each other

B Based on the size of each layer

C Based on the color of each layer

D Based on the atoms and molecules in each layer

What does a movement along the demand curve show

Which statement best explains distribution of natural resources? people tend to settle in locations that have the resources they need for survival. some countries have resources that others lack, so trade between countries becomes vital. fossil fuels come from areas that have mountains and other areas that manufacture synthetic gas. areas with natural resources provide a higher standard of living and better quality of life.

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples