Nonrenewable resources can never be _____.

bought
replaced
mined
distributed
searched

replaced

What is the best definition for the concept of reusing?

A)to not do things that would harm the environment
B)to turn materials into new raw materials for other products
C)to use again anything that you can, rather than throwing it away or using disposable items
D)to minimize the amount of resources that you use
E)to use disposable materials as much as possible

C) to use again anything that you can, rather than throwing it away or using disposable items

Coal is a natural resource.

Why is coal considered non renewable?
A Coal will never run out.
B Coal is being used faster than it is being produced.
C No new coal is being produced on Earth.

B Coal is being used faster than it is being produced.

Tress are most commonly considered a renewable source. What makes them a renewable source?

A We will run out of tress soon and it is impossible to replant them
B As long as tress are replanted as they are being used, they will regrow and we will not run out of them.
C tress are like the sun and wind, since they are always there, we cannot run o it of them.
D Tress take longer to replace than the rate which humans are using them.

B As long as tress are replanted as they are being used, they will regrow and we will not run out of them.

Burning coal releases sulfur dioxide into the atmosphere. How might this lead to pollution?

A Sulfur dioxide gives off heat that raises the temperature of bodies.
B Sulfur dioxide can combine with the drops of water to form acid rain.
C Sulfur dioxide causes the remains of plants and animals to decompose at a faster rate.
D Sulfur dioxide is a radioactive material that is dangerous for many years.

B Sulfur dioxide can combine with the drops of water to form acid rain.

What minerals are valuable to humans?

A aluminum, copper and quartz.
B fish, cow and chickens.
C dollar bills and credit cards.
D tress flowers and fruit.