More cards in this set

Card 6

Front

how does the food industry preserve food (stop it from decaying)?

Back

Preview of the front of card 6

Card 7

Front

what is produced when waste is decomposed anaerobically?

Back

Preview of the front of card 7

Card 8

Front

how can the products of anaerobically decomposed waste be used?

Back

Preview of the front of card 8