Question:
Multi-choice problem: Continue writing the next sentence for the following:

How to make chemical solutions
Define a percent by weight/volume solution.
A percent solution simply means parts per hundred. For example by weight: a 10% solution by weight simply means that you have 10 grams of compound dissolved in 100 ml of solution.
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Answer:
For an example by volume: a 23% solution by volume simply means that you have 23 ml of liquid compound in every 100 ml of solution. Identify the volume of solution you want to make.

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How to study the structure and function of human skin
Learn about the histology of skin in humans.
The skin of humans is composed of several histologic layers that are different than other creatures in the animal kingdom. This histologic structure is important for various reasons.
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Answer:
One of them is its use as a selective physical barrier against foreign pathogens and harmful chemicals. At this level it serves as part of the nonspecific immune system in humans.

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How to harvest plantain leaves
Learn how to identify plantains.
Plantains most often resemble small shrubs growing close to the ground. Their leaves are a bright green color, sometimes with hints of red or purple around the stems.
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They can either be broad or narrow, but almost always taper in a spade-like shape and feature multiple parallel veins lined up across the leaf. Mature plantains produce small flowers that grow on thin, fuzzy stalks.

Question:
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How to discharge a capacitor
Learn and use proper techniques and equipment for working on live electrical equipment.
Don't let your unprotected hands near anything involved.
Disconnect the device with the capacitor from electric current.
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Answer:
Alternating current will flow through a capacitor until the source of the current is removed. That current can add to the shock you'll get if you mishandle the capacitor, and may keep recharging it.