More cards in this set

Card 36

Front

international agreement to phase out CFCs?

Back

Preview of the front of card 36

Card 37

Front

BOD stands for

Back

Preview of the front of card 37

Card 38

Front

unit of sound used to measure noise pollution

Back

Preview of the front of card 38

Card 39

Front

Measure of noise pollution used to monitor aircraft noise pollution around airports

Back

Preview of the front of card 39

Card 40

Front

Name a radioactive gas that is an alpha emitter

Back

Preview of the front of card 40