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denis23 [38]
2 years ago
10

What did Stephen hawking do that was important

Chemistry
1 answer:
azamat2 years ago
4 0
Hawking was the first to set out a theory of cosmology explained by a union of the general theory of relativity and quantum mechanics.
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What is the overall charge of the compound frbr
sammy [17]

Answer:

Zero  

Explanation:

FrBr is an ionic compound .

Fr is in Group 1. Br is in Group 17.

The charges on the ions are +1 and -1, respectively.

The compound consists of Fr⁺Br⁻ ions.

However, there are equal numbers of + and - charges, so

The overall charge of the compound is zero.

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3 years ago
Some animals only have ___ cell.
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2

Explanation:

to separate objects or ideas into group based on ways they are alike

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swat32

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3 years ago
X square+4x+4 factories that ​
Maslowich
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(x + 2)(x + 2)

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You need 2 numbers that times to give 4 and add to give 4. So 2 and 2.
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