4. Which of the following is a chemical change?

1. condensation

2. evaporation

3. solidifcation

4. rotting of food

The Sun is the only star able to support a solar system. a. True b. False

Comparing land use in urban areas and agricultural villages finds that if arable land is scarce, then the sizes of farms and houses are a. small b. large c. ranch-like d. Plantation-like

Which factor posed the greatest challenge to developing natural resources in siberia?

The type of economy is more primitive and is based on commonly held beliefs and cultuer

Discuss the errors in taping in surveying and how their influence may be eliminated or minimized.

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?