The source of the earth's magnetic field is the:

a. sun

b. moon

c. oceans

d. core

6. Which has a neutral charge? O a proton O a molecule O an ion an electron

Which country in this region is known for its strict law enforcement? a. Indonesia c. Thailand b. Singapore d. Vietnam

Why are asia and south america colored in a nuetral color

Name the three main climate zones. explain two major difference between the three climate zones.

Which evidence from the sea floor shows that tectonic plates move? a) The sea floor is much older than any of the continents. b) The sea floor is youngest near a mid-ocean ridge and older farther away.

The area just north of Lake Baikal is called?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is

Does oceanwater contain any other minerals than salt