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1. Q: What’s that stuff growing on the tree?

A: It’s moss. / That’s moss.

2. Q: What color is it?

A: It’s green.

3. Q: Why does it grow there?

A: It grows there because it’s not exposed to direct sunlight.

4. Q: What happens if it’s exposed to sunlight?

A: It might die. / It might dry up.

5. Q: On which side of a tree does moss grow?

A: Moss grows on the north side of a tree.

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