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Answer Key
Grade 4 Reading — Geography & Nature
1.
South America
2.
the emergent layer
3.
less light reaches the understory
4.
they break fallen branches into rich soil / recycle nutrients
5.
deforestation / clearing land for cattle or crops
6.
at night / after the sun sinks
7.
from seeds (it rarely drinks water)
8.
to save water and protect pollen from drying out
9.
muffle sound so prey cannot hear them approach
10.
park rangers
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