Generally, most basic computer microphones will have one of two varieties of jack: an 1/8" TRS jack, which is essentially the same kind of jack you would find on a pair of headphones, or a USB jack, which is flat. Both of these jacks have corresponding ports on most computers. If you're using an XLR microphone, a quarter-inch jack, or some other variety of mic, skip to the next section. Almost all desktop computers will have visible microphone ports on either the front or the back of the tower. Usually, this port will be colored pink, and have a microphone image over it. If you have an eighth-inch jack, all you've got to do is plug it into this port and start testing sound. If you have a USB jack on the end of your microphone, most computers will have two or more USB ports on the side, or the back of the computer. Simply plug the USB jack into one of these ports. Laptops and some more contemporary computers don't have microphone ports, because they're generally outfitted with internal microphones. It's usually possible to plug into the headphone port on most computers, however, and adjust your sound settings later. The easiest and quickest way to test your levels and check your settings is to go to your input sound options and make sure that the device you just plugged in is visible, and that it is selected for use. Open a recording program and attempt to use the microphone and set the levels. On Windows, you can use the Sound Recorder, on a Mac, Quicktime or GarageBand should do fine. If you're not getting a signal, skip to the last section for troubleshooting tips.
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One-sentence summary -- Examine the jack on the microphone. Locate the corresponding port on your computer. Test your new microphone with the recording software of your choice.

Understanding law is fundamental to understanding scientific terminology: a scientific law is a statement, based on repeated long-term observation, which describes any phenomena of nature. Laws have never been refuted (hence their relatively small number) and are not explanations; they are descriptions and are often stated through relatively simple mathematical equations. Scientific laws, despite their formality, can change or have exceptions as scientific understandings of phenomena evolve. Helping someone understand scientific lawan admittedly abstract conceptwill allow them to differentiate between theory and fact. In many ways, laws are a starting place; they are often observed and have never been refuted, but do not explain why something occurs. As an example, the Law of Gravity has been known in the scientific community since the late 17th century. The law describes the natural phenomenon of gravity, but does not provide an explanation as to how and why gravity functions. Scientifically speaking, a theory is a rational explanation of why an aspect of our world functions in a certain way. The definition of a theory will incorporate facts and laws, although the 3 are fundamentally separate. A theory builds from initial hypotheses (educated guesses) and can be revised in accordance with the development of a scientific understanding of a phenomena's cause. A theory is confirmed by all available evidence such that it can be used to predict new, as yet unobserved phenomena. This will help clarify your point and make a clearer explanation. The theory is used to explain an occurrence, while the law describes a phenomenon under specific circumstances in nature. For example, the scientific Theory of Natural Selection corresponds with the Law of Evolution. While the law states an observed natural phenomena (life forms develop new characteristics based on external circumstances), the theory describes how and why this happens.
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One-sentence summary -- Define a scientific law. Provide examples of laws. Define a scientific theory. Provide an example of scientific theory.

Each item of clothing should have a label or tag on the inside that will specify how it should be washed and dried. Read each label carefully to ensure that you prolong the life of your clothes and don't damage them with improper care. If your garment does not have a care label, wash it in cold water only to avoid accidentally shrinking or damaging the fabric. If it is very old or expensive, it may be safer to assume that it is dry clean only. Fill a clean bucket or tub with warm water and 1 ounce (28g) of detergent, and add any clothes you want to remove odors from. Let them sit for about 30 minutes. You can also add the juice of half a lemon to your pre-soak solution to help break up any body oils soaked into the fabric. Use cold water if your garment's care label indicates that it is cold-wash only. Take a soft-bristled cleaning brush and gently scrub any especially smelly sections of your garments. On gym clothes, this might be the armpits or the collar. This method works better when the garment has been pre-soaked, but it can still be effective without soaking. If you choose to skip the pre-soak, get the garment wet before scrubbing. Baking soda is frequently used as a deodorizer, and can help to draw the smells out of clothes. If you are using powdered detergent, add the baking soda along with it in the detergent tray. If you are using liquid detergent, add the baking soda to the wash basin after it's filled with water. Unlike chlorine bleach, it will be less likely to cause your clothes to fade, and can be very effective in removing odors. It is also more environmentally friendly than chlorine bleach and less corrosive to fabrics. Use it along with your normal detergent. While oxygenated bleach is generally considered color-safe, you shouldn't use it if your garment's care label says "No Bleach." Borax can be useful in eliminating odors, removing stains, and even softening water. Many household brands offer laundry detergents that contain Borax, which saves you the trouble of measuring and adding the Borax separately. Use it instead of your regular detergent, and combine it with an additive like oxygenated bleach or baking soda for especially smelly garments. If you can't find any Borax detergents, simply dissolve 4 ounces (110g) of powdered Borax in hot water and add to a load along with your normal detergent. Wait until the wash basin has filled with water before adding the Borax solution. Vinegar is an affordable, natural option for eliminating embedded odors. Adding it during the rinse cycle will allow it to neutralize odors without lessening the effect of your laundry detergent. If you are dealing with particularly strong smells, add 1 cup (240ml) of vinegar. For especially tenacious smells, try using this additive along with baking soda.
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One-sentence summary --
Read the care label on your garments. Pre-soak your clothes. Scrub any particularly smelly areas. Add 8 ounces (230g) of baking soda with your detergent. Use oxygenated bleach. Try Borax laundry detergent. Add 1 cup (240ml) of white vinegar during the rinse cycle.