13.

When a solid, liquid, or a gas changes from one physical state to another, the change is called

Group of answer choices

entropy

evaporation

phase change

melting

freezing

In your region, what materials do humans take from the geosphere? What materials are returned to it?

What are waves that crest then crash into the ocean floor

Which geologic feature occurs at a convergent boundary? A) an earthquake B) a river C) an ocean valley D) a rill

Which West African country has a hardwood industry? Benin Ghana Chad Senegal

There are three kinds of plate tectonic boundaries: divergent, convergent, and transform plate boundaries. Describe the action of tectonic plates at each boundary type.

What statement about rainforests is false?

How many offers were made ro the palestinians to create their own átate

Which area of rivers and streams will most likely contain the most sediment? a. the source b. the mouth c. the middle portion d. none of the above

Three economic principles of natural resource management are 1) Opportunity Cost; when you make a choice, you lost the opportunity to choose other things 2) Time preference; how fast you can wait for a return on your investment 3) Discount rate;

Acid rain is a serious problem in China. true or false?