In chemistry, a valence electron is an electron that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.
Because we discovered fire and created new ways to survive and it was a huge advancement in technology
Answer B boom towns
To start answers C and D make absolutley no sense so they are out of the pictrue leaving us with C and D
Oil wells dont have populations you cant live in or at an oil well however boom towns makes sense for the first characteristic.
You may think Boom Towns doesnt make sense for characteristics 1 and 2 however the phrase boom town was coined during Oklahoma's oil rush.
The awnser is B trust me
81% of employed Irish-born women in the US worked as domestics.
Answer:
Answer:A
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