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steposvetlana [31]
3 years ago
11

What is an aquifer mean

Chemistry
2 answers:
Kruka [31]3 years ago
8 0

An aquifer is a permeable rock which can contain or transfer water.

Mashcka [7]3 years ago
4 0
An aquifer is a permeable rock which contains or give/transfer water
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Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have?
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Answer:

4

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Compounds like CCl₂F₂ are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are n
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m × 289 = 94859.9

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QED!!

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