The heat of earths interior comes from which of the following sources

A the sun

C the mantle

B breakdown of unstable elements

D meteorite impact

Discuss the mechanism of monsoons.

Websites for social networking and blogging are examples of which type of communication? O A. Video conferences O B. Social media O c. Print magazines O D. Word of mouth

8. Increased global temperatures are linked to melting Arctic sea ice. By what process can melting Arctic sea ice increase global temperatures further, creating a positive feedback loop?

Choose H if the item describes a Human characteristic. Choose P if the item describes a Physical characteristic. In the Middle East, tension exists between the Israelis and the Palestinians. Oil deposits are plentiful in Alaska.

Which process is a source of outdoor air pollution? Check all that apply. burning gasoline at a refinery releasing fumes at a chemical plant emitting particles from a dump truck releasing radon gas from a generator emitting carbon monoxide from a

The sun exerts a gravitational pull on earth. why doesn't earth fall into the sun?

What body of water lies east of attica?

What causes climate to change over time

17 of the 18 warmest years on record have occurred in the 21st century. true or false?

Which of the following indexs includes factors such as use of time, environmental issues, and income distribution to determine development? A. Human Development Index B. Genuine Progress Indicator C. Gross National Happiness D. Gross National Income