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GarryVolchara [31]
2 years ago
12

1.) When blood flow is gone from the extremities for too long, the cells start to die. Depending on the severity of the

Chemistry
1 answer:
valkas [14]2 years ago
5 0

Answer:

its A

Explanation:

because frostbite kills the nerves

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Which conditions suggest that a bond will be covalent?
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Is anyone good at chemistry if so can someone help me please ?<br><br> (NO LINKS)
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So, litmus paper is a qualitative tool for assessing the acidity or basicity of a substance (usually a solution). In general, blue litmus turns red in the presence of an acid, and red litmus turns blue in the presence of a base. They can't really tell you much more than that.

The solutions that are most likely acids are those that turn blue litmus red <em>and </em>do not evoke a color change in red litmus. A solution that turns red litmus blue <em>or </em>does not evoke a color change in blue litmus is likely not an acid. Using these criteria, solutions 4 and 7 are most likely acids since they both turn blue litmus red (and they cause no color change in red litmus).

The correct answer choice would thus be D.

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