3 years ago

What is the biggest human advancement that has happened on earth?

1 answer:

6 0

Answer: Glass

Explanation: It helps us drive if we didnt have it then we would have to blink a lot more while driving which would result in a lot more people getting in to car crashes imagine plaines without windows or glass.

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Help. If an element has a charge of 4+, how many more protons does it have than electrons?

Andreyy89

Charge = Number of Protons - Number of Electrons = 4

So, Your Answer would be: 4

Hope this helps!

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3 years ago

KClO3 ---> KCl + O2 Balance the decomposition chemical reaction. A) KClO3 ---> KCl + O2 B) 2KClO3 ---> KCl + 3O2 C) 2KC

Damm [24]

And the answer is C.

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yKpoI14uk [10]

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Which pairs of angles in the figure below are vertical angles? Check all that apply.

olga2289 [7]

I think it's option C and option D but if you can only choose one answer then I think it's option C

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castortr0y [4]

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