A) plants and animals that existed long ago
B) electricity that creates oil, coal, and natural gas
C) other planets in our solar system
D) ice that melts
A) heat and pressure
B) ancient peoples
C) power plants
D) ice and solar power
A) Once used up, there will be no more.
B) Coal and oil are renewable.
C) Fossil fuels come from the sun.
D) They are limitless.
A) potential energy
B) solar energy
C) magnetic energy
D) chemical energy
A) It is an inexhaustible resource.
B) It is unusable.
C) It cannot be transformed into electrical energy.
D) It is a nonrenewable resource.
A) forms of energy
B) unusable objects in the environment
C) materials in the environment that are useful to people
D) technology created by man
A) natural resources that have not yet been discovered
B) natural resources that are limitless
C) natural resources, such as fossil fuels, that will eventually be used up and can never be replaced
D) natural resources that humans can create
A) nutrients that promote growth
B) materials burned for energy
C) objects created after a fire
D) items found inside plants
A) resources produced in a factory
B) natural resources that can be replaced over time
C) limitless resources
D) fossil fuels
A) will never be used up
B) do not provide us with energy
C) will be used up in a few years
D) produce new fossil fuels
A) natural gas
A) solar energy
1.A 2.A 3.A 4.D 5.C 6.A 7.A 8.A 9.B 10.A 11.D 12.C 13.C 14.B 15.B 16.A 17.A 18.B 19.B