Exit Quiz

Question 1 of 4
1 of 4
Match the keywords with their correct definitions:
Click and drag answers to change the order, or select using Tab then move by pressing Space and the arrows on your keyboard.
Harmful substances in air, water, or soil
Water stored in rock or soil underground
Roads too full of vehicles, causing long delays
pollution
groundwater
congestion
Think about what each process or term affects in the environment.