Question

In two to three sentences, explain how bacteria can be good for us. In another two to three sentences, explain how bacteria can be bad for us.

Answer 1

Bacteria is good because it can keep us alive. There are bacteria living in our immune systems. Bacteria is also good because people use it in food to provide nutrients. Bacteria is bad because it can cause illnesses like the cold or flu. Bacteria is also bad because it can spoil food and water.

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