Cambridge Secondary (7-9). Stage 7. Science. Learner's Book - Unit 7: Microorganisms in the environment - Question 28

What can microorganisms decay?

Here are three questions. First, think quietly about the answers to the questions on your own. When your teacher tells you to, turn to your partner and discuss your ideas. Be ready to share your answers with the rest of the class.

Which of these things are made of organic matter?

bread water leather rock wood fruit