The author of the passage claims that some bacteria help humans stay healthy.
Drag to the box TWO pieces of evidence
that support this claim.
Two Pieces of Evidence to Support Author's Claim
Bacterial Microbes:
Friends or Foes?
Microbes are microscopic forms of life.
One of the most common kinds of
microbes are bacteria. In the modern
world, people often think that bacteria
are enemies to human health. We know
that many types of bacteria make us sick,
so we try to avoid them by using
antibacterial cleaning products and by
taking antibiotics when we get sick.
However, scientists are beginning to
realize that some bacteria are actually
good for us-even essential for our health.
Bacteria are accustomed to living in humans.
Bacteria make nutrients available to the body
.: Bacteria take up space in the human body.
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Bacteria keep human immune systems working.