Which layer contains convection currents

The Ring of Fire is a major belt of volcanic activity circling the Pacific Ocean. a. True b. False

All of the activities designed to get a candidate elected to public office is called

Rus Why are temperatures on the gas giants so low? O A. They do not have atmospheres. O B. They are far from the sun. O C. They rotate relatively quickly. O D. Gases do not retain heat energy as well as solids.

Which of the following activities would most likely aid in desertification? A. Pollution from a nearby city B. Overgrazing C. Building a large dam D. Moderate farming

Why have the rules governing building on permafrost changed? A) Perafrost used to be permanent B) Expanding population has forced buliding on permafrost.

Why does the government place excise taxes on goods such as cigarettes and alcohol?

Where did the Austronesian languages originate? A. near present-day Indonesia B. near present-day New Zealand C. near present-day Easter Island D. near present-day Hawaii

A travel-time graphcan be used to find the

Why would contries have a low percentage of children

3. Copper ore deposits in Arizona and New Mexico are associated with dioritic plutons formed along an ancient? a. groundwater table b. subduction zone c. earthquake d. strike slip margin