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ladessa [460]
3 years ago
9

1.Grassland are where most of our_____ comes from?

Chemistry
2 answers:
-Dominant- [34]3 years ago
6 0
The answer is B. Crops used as food
Dafna11 [192]3 years ago
3 0

Answer is B.crops used as food

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What element has 4 valence electrons and 5 electron shells?
marta [7]

Answer:  Tin (Sn)

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5s^2 4d^10 5p^2

The valence electrons are in the 5th electron shell and include 2 each in the 5s and 5p orbitals.

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