Chapter 3 Review Flashcards
formed when the remains of plants and animals are buried quickly
fossil fuel
a factory that separates crude oil into different products
refinery
mineral used in nuclear reactors
uranium
concentrated areas of specific minerals
vein
solid substances found naturally in the earth’s surface
minerals
a layer of sand, gravel, or bedrock that holds and moves
aquifer
a floating ice sheet
ice shelf
forms when sea water freezes
sea ice
Characteristics of malleable metals
soft and shapeable
What is ground cover?
a low-growing crop that lessens erosion in unused fields
Why is contour plowing used?
to help keep water from washing soil away
What causes oceans to be salty?
dissolved minerals and salts left behind when water evaporates cause oceans to be saline, or salty
Is geothermal energy a renewable or nonrenewable resource?
renewable resource
Is coal a renewable or nonrenewable resource?
nonrenewable resource
Is natural gas a renewable or nonrenewable resource?
nonrenewable resource