JKL

Islands that are formed over thousands of years and made of coral are called a. cays b. glaciers c. mountains d. corals

cays

This is a form of pollution in which chemicals come back to the earth as the form of rain, snow, or hail a. dirty rain b. acid wash c. acid rain

Acid rain

An area that has warm and cool seasons has a a. subtropical climate b. steppe climate c. highland climate d. temperate climate

Temperate climate

Environmental hazard produced by atomic power plants a. recycle b. nuclear waste c. continental drift d. desertification

nuclear waste

Theory that one huge continent broke apart and drifted to form the seven continents a. recycle b. nuclear waste c. continental drift d. desertification

continental drift

To make new products from old ones a. recycle b. nuclear waste c. continental drift d. desertification

recycle

Process in which land loses all vegetation a. recycle b. nuclear waste c. continental drift d. desertification

desertification

The growth of city population a. desalination b. global warming c. terrace farming d. urbanization

urbanization

Rise in Earth’s temperature a. desalination b. global warming c. terrace farming d. urbanization

global warming

The process of taking salt out of sea water a. desalination b. global warming c. terrace farming d. urbanization

desalination

Farming constructed in hilly regions, used to increase the amount of arable land. a. desalination b. global warming c. terrace farming d. urbanization

terrace farming

This sturdy piece of equipment was first built in Lancaster and was used to carry supplies to the pioneers a. Prairie schooner b. Horses c. Radio flyer wagon d. Conestoga wagon

Conestoga Wagon

What sea is drying up due to the increase of irrigation, used to grow crops in arid regions? a. Black Sea b. Aral Sea c. Lake Victoria d. Sea of Japan

Aral Sea