CES Lesson 8-9

any substance released through human impacts into the atmosphere at the concentration sufficient to cause harm to humans other animals vegetation or to other materials

it is emitted directly into the air

it is detrimental to health and environment

it is formed through atmospheric reactions

the burning of fossil fuel releases greenhouse gases that traps heat in the atmosphere

it is the vital transparent substance that is crucial for the substenance of the environment

transparent colorless odorless and tasteless liquid

found beneath the earth's surface in saturated rock and soil layers

total volume of freshwater used to produce the goods and services consumed by an individual, community, or business.