Coal and oil are?

___________ energy comes directly from the sun.

Bio-fuel and geothermal energy are examples of?

True/False: Synthetic pesticides can pose a risk to other, desirable species.

Chemicals used to kill insects, weeds, and other pests are known as..............

Consider the following food chain:

Algae > Mayfly > Minnow > Trout

In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals such as pesticides in its body?

If we work to replace fossil fuels with renewable resources like __________ and __________ which don't produce greenhouse gas emissions, we might be able to prevent some of the worst effects of climate change.

Refrigerators, aerosol spray propellants and Airconds were all sources of a chemical known as

The thinning of the ozone layer is also known as the

SUnburn occurs when your skin is exposed to harmful ______ rays

Which type of radiation is absorbed by the ozone layer?

Ozone is made of which chemical element?

Adding harmful things to the environment is called

Which is a MAJOR cause of acid rain?

Which is NOT caused by acid rain?

To _________ is to use something more than once.

To convert some things into a new products so they can be used again is called_____________

Degrading of wildlife is due to