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Alik [6]
3 years ago
5

How does science help us protect our nations resources.

Chemistry
2 answers:
Rina8888 [55]3 years ago
5 0
Science has helped us protect our resources because today, scientists have figured out a way to predict the weather and help us prepare for any storms to come.
Helga [31]3 years ago
3 0
By showing what resources the planet had to offer
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The answer is "W-4 form".

Explanation:

The W-4 form is part of the Internal Revenue Service tax form, which is used to submitted by the U.S. government form the customer to information and his or her tax situation. This form informs the customer of the right amount of tax to deduct from his or her salary.

That's why she filled out a W-4 form and know-how often tax he will subtract in the payroll depending on provisions dealing, dependents, potential tax deductions, and credits, etc.

4 0
3 years ago
There are ________ unpaired electrons in the Lewis symbol for a nitride ion.
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Answer:

There are no unpaired electrons.

Explanation:

There are  no unpaired electrons in the Lewis symbol for a nitride ion({ N }^{ 3- }).The nitride ion has a charge of -3. The negative charge on the Nitride ion indicates a gain in electrons . Nitrogen has 5 valence electrons that is the number of electrons that are in its outer shell .The total number of electrons that the nitride ion has is equal to 5+3 = 8 electrons . Electrons usually appear in pairs and obey the octet rule therefore the nitride ion has four electron pairs no unpaired electrons.

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Which mixture can be separated based on differences in particle size of the components?
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Heterogenous mixtures can separates due to differences in size of components
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If a substance changes color, what has most likely happened
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say for example, the color of our blood inside the body is blue, when you have a cut, th he blood color is red through oxygenation.

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