Environmental Science

3. It may be written by professional science journalists or by scientists themselves.
4. harder to control because they have different ways of synthesizing and the formation are not well understood.
5. ________________were chosen for monitoring to ensure habitat conditions are stable.
8. Car emission chemicals building up in birds and other animals.
9. When sunlight hits these chemicals, they form airborne particles and ground-level ozone.

1. caused by the burning of fossil fuels and the using of chemicals in the home.
2. Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas are all examples of
3. Pollution is often classed as____________ or nonpoint source pollution.
6. It is toxic to animals and is known to accumulate in the tissues.
7. I want a _______ free alternative to a traditional oil based eggshell.