c3

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who thought of the plate tectonic theory?
Alfred Wegner
1 of 4
what is the recommended daily allowance of salt for an adverage adult?
6g
2 of 4
what is an enviromental impact of salt mining?
can cause subsidence (buildings falling down)
3 of 4
which element is not in PVC?
Sodium
4 of 4

Other cards in this set

Card 2

Front

what is the recommended daily allowance of salt for an adverage adult?

Back

6g

Card 3

Front

what is an enviromental impact of salt mining?

Back

Preview of the front of card 3

Card 4

Front

which element is not in PVC?

Back

Preview of the front of card 4

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