Select the two factors that have the greatest influence on the state (solid or liquid) of each of Earth's layers.

a. salinity

b. density

c. pressure

d. temperature

Describe how plants determine the name of a biome?

What happens during radioactive decay? A. The isotope gains electrons B. The isotope loses electrons C. The nucleus gains electrons D. The nucleus loses particles and/or energy

Can you send alcohol by post to australia

Which of these organisms is a part of the group that produces all of the available energy in a food web? a. fly b. grass c. mouse d. sun

Glaciers store about 75% of the worlds freshwater True or False?

The planetarium is not crowded on Wednesdays, so we should visit it then. Is this sentence an appropriate opening sentence for the purpose of the argument?

What three livestock were sent from the Americans to Europe

Greenhouse effect compare and contrast with global warming

Who lives in Antarctica? A) A large native population B) A large number of South American immigrants C) A small group of researchers D) A small number of natives

A geographic information system is information that is