Coal will never run out.
No new coal is being produced on Earth.
Coal is used to produce energy and not materials.
Coal is being used faster than it is being produced.
A created resource
A material resource
An energy resource
A nonrenewable resource
To keep water from evaporating
To keep the ocean levels from lowering
To keep the polar ice caps from melting
To keep water from becoming a nonrenewable resource
Natural resources are low cost.
Natural resources improve lives.
Natural resources are readily available.
Natural resources are in unlimited supply.
Chemical pollution is not regulated
Only a few chemicals dissolve in water.
Chemical pollutants can come from both point-sources and nonpoint-sources.
Chemical pollutants are harmful only if present in very high concentrations.
It prevents them from becoming deserts.
It prevents pollution from poisoning living things
It helps hydroelectric power plants make more electricity.
It helps freshwater ecosystems obtain more salt water.
It gives people the opportunity to vote.
It keeps governments stable.
It prevents people from using resources.
It ensures that resources will not be polluted or used up too quickly.
All of these
The transfer of energy due to the movement of matter.
The transfer of energy through materials in direct contact.
The transfer of energy as earthquake waves.
The process that breaks down rocks.
The amount of mice exposure to radio waves
The strength of the mice.
The weight of the mice.
Whether the mice live or die.
The physical appearance of fossils
The chemical composition of rocks
The numerical age of an object in years
The approximate date of a rock layer or fossil
A group of organisms that can mate to produce fertile offspring
A process by which inherited traits in a population change over generations
A process by which individuals that are better adapted are more likely to camoflage themselves to their environment
An inherited trait that improves chances of survival and reproduction for a group of individuals in a population
Clearing land for farming
Planting trees and vegetation
Designating land as a wildlife habitat
Reducing the amount of livestock in an area
It helps save crops and food for future use.
It helps conserve land resources for future use.
It helps a farmer make more money the first year.
It helps a community grow more crops every year.