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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