Study the diagram below. What does letter C represent in the picture? Which one??
A. C. Glucose
B. D. Carbon dioxide
C. A. Oxygen

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?