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borishaifa [10]
3 years ago
10

The device shown operates based on a capacitive touch screen. This means that it utilizes an electric current to operate. Why wi

ll it operate with your finger but not a piece of plastic?
A) Your finger is a conductor but the plastic is not.
B) Your finger applies heat but the plastic does not.
C) You can apply more pressure with your finger than with the plastic.
D) The ridges of your fingerprints provide more surface area than the plastic.
Chemistry
2 answers:
Anton [14]3 years ago
7 0

The answer is A

I just took the quiz

God bless

lubasha [3.4K]3 years ago
4 0
I think the answer is A, but I could be wrong.
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2 years ago
A 9-ounce of glass contains 72 milligrams of vitamin
sleet_krkn [62]
Answer: 7.2 ounces


Explanation:



1) Data:

<span>- glass size: 9-ounce
</span><span>
</span><span>- content of vitamin C: 72 milligrams
</span><span>
</span><span>
</span><span>- glasssize: x
</span><span>
</span><span>- content of vitamin C: 60 milligrams
</span><span>
</span><span>
</span><span>2) Proportion
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</span><span>
</span><span>9 ounces / 75 mg = x / 60 mg
</span><span>
</span><span>
</span><span>3) Solution:
</span><span>
</span><span>
</span><span>9 ounces × 60 mg = 75 mg × x
</span><span>
</span><span>
</span><span>⇒ x = 9 ounces × 60 mg / 75 mg = 7.2 ounces
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