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Answer Key
Grade 4 Science: Human Impact & Resource Stewardship
1.
caring for resources and ecosystems
2.
a result of human actions on nature/resources
3.
use carefully and avoid waste
4.
help bring something back toward health
5.
meeting needs in ways that can continue
6.
Yes — protect, restore, conserve
7.
Yes — pollution, overuse (examples)
8.
support why the plan helps
9.
caring for resources and ecosystems
10.
Answers vary (pollute vs conserve examples)
11.
goal, actions, evidence, helpers
12.
protect a shared limited resource
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