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LiRa [457]
4 years ago
15

What does the word deficiency mean a.need b.excess c.problem d.lack

Physics
1 answer:
Dahasolnce [82]4 years ago
6 0
Answer is D! Ex. Andy has a Vitamin A deficiency.

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What do all group 2 elements have been n common
ElenaW [278]
Sorry i cant tell what you mean but here is my answer for your question i think its right if not just tell me i will give you a new one :)
Alkaline earth metals make up the second group<span> of the periodic table. This family includes the </span>elements<span> beryllium, magnesium, calcium, strontium, barium, and radium (Be, Mg, Ca, Sr, Ba, and Ra, respectively). </span>Group 2 elements<span> share </span>common <span>characteristics. Each metal is naturally occurring and quite reactive.
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8 0
3 years ago
3.60×10^23 nitrogen molecules collide with a 16.0 cm^2 wall each second. Assume that the molecules all travel with a speed of 45
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Explanation:

Please see the attachments below

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To solve this problem we will apply the concepts related to electromagnetic force. This force is defined as the product between the free space permeability constant, the product of the two currents found, at the rate of the distance that separates them. In this way mathematically it can be given as,

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5 0
3 years ago
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Is there any mistake in my English? Please, let me know.
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3 years ago
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