Saving Earth's Resources Flashcards
A harmful material that has been added to an environment is called ____________
Pollution
The ____________ includes all the living and nonliving things in the area
Environment
Melted rock that cools and hardens is called_______________
Igneous rocks
Rocks formed from other rocks by heat and pressure are called ____________
Metamorphic rocks
The building blocks of rock are ______________
Minerals
A vertical section of soil from the surface to the bedrock is a ____________
Soil profile
Water stored in pore spaces and cracks in underground rocks _______________
Groundwater
A human made lake that is used to hold fresh water is a _________________
Reservoir
The preserved evidence of a living thing from long ago is a __________
Fossil
A fuel made from the remains of living things is ____________
Fossil fuel
Topsoil is rich in ________ and ___________ and home to many _____________things
humus, minerals, and living
What substance is made up of pieces of rock, decayed plant and animal matter, and pockets of air or water?
Soil
_______________________________________ is caused by overuse of fossil fuels
Air pollution and acid rain
What is a reservoir and what is it used for
A reservoir is a storage area for holding and managing fresh water
Why do farmers rotate crops
It conserves nutrients in the soil
