1
saving and protecting the environment.
2
extremely bright.
3
to use a working theory.
4
the use of economic goods.
5
a group of people os approximately the same age, or the period of time that it takes for children to grow up and become adults.
6
to decide which group or category things belong to.
7
not accurate, with error.
8
to understand.
9
the action of polluting especially by environmental contamination.
10
true, based on facts.
11
unclear.
12
unpleasant, depressing, or harmful.
13
any living thing that is not a plant.
14
objects, usually made of precious metal, which are worn on the body such as rings, necklaces, and bracelets.
15
organize in order or in a particular position.
16
a place where one gets or obtains something.
17
not deep.
18
feeling of shock.
19
to collect people or things.
20
to use teeth to cut into or through something.
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