ENVIRONMENTAL SCIENCE TEST

An underground layer of rock or sediment that holds water

• watershed
• groundwater
• permeability
• aquifer

It refers to the removal of salt from ocean water

• dam
• reservoir
• salination
• desalination

____________ is the water that collects in spaces and soil UNDERGROUND.

• Soil water
• Groundwater
• under pools
• ice caps

What % of freshwater is on Earth?

• 97%
• 71%
• 3 % 
• 1 %

Animal wastes that runoff into water is an example of which types of pollution?

• bacterial & chemical 
• chemical & sediment
• nutrient & bacterial 
• sediment & nutrient

A barrier that runs across a river or stream to control the flow of water.

• Reservior
• River
• Dam
• Levee

The uppermost level at which the water in a given area fully saturates rock or soil.

• Impermeable surface
• Rock and mantle
• water table
• groundwater recharge

How do landfills effect the environment?

• Landfills cause fish to be poisoned and die.
• Landfills support plant growth and healthy soil.
• Landfills cause smog in the air.
• Landfills cause chemicals from trash to absorb into the soil and harm plants.

Which is one reason that trash and litter can hurt wildlife?

   

• Wildlife are afraid of human garbage.
• Trash covers the scent of other animals they are hunting.
• Wildlife may try to eat plastics and choke on them.
• Trash and litter removes their camouflage.

Which human action can cause pollution?

• Walking

• Biking

• Mining

• Recycling