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Where do you place a barometer?

Because air pressure is basically the same indoors and out, a barometer can be placed inside or outside. For home use, hang a barometer on a wall in a place where people can read it conveniently. In most cases, this is an indoor wall, but outdoor walls work, too.\nCalibrate a barometer when you set it up. Use a local weather source to determine the current atmospheric pressure in the area, and adjust the barometer to that pressure.

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What types of animals live in the abyssal zone?

The abyssal zone is an area of the ocean that is between 13,123 and 19,685 feet deep at its lowest point. Its name comes from the Greek word "abyss" which means "bottomless." The area never receives daylight and is perpetually dark. Creatures of the region scoop their food from the bottom of the ocean, and can withstand stable temperatures of around 35 degrees Fahrenheit.

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What is the difference between an amp and a milliamp?

The amp, also known as the ampere, is the international scientific unit for measuring the electrical charge traveling between two objects. It is one of seven scientific base units and is named after the physicist André-Marie Ampère.\nThe amp is defined as the amount of constant current that would produce a force equivalent to two times 10 to the negative 7th power Newtons in two conductors spaced 1 meter apart. The milliamp is based on the amp and is exactly one-thousandth of a single amp.

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What is a periscope?

The simplest periscopes use a pair of mirrors set at parallel 45-degree angles. When light strikes the upper mirror, it is reflected 90 degrees downward into the tube of the periscope. When it reaches the bottom, it is reflected 90 degrees horizontally into the viewfinder. Viewers are able to observe their surroundings as if their eyes were at the level of the top of the periscope. Periscopes are common in submarines and other military vehicles to enable occupants to survey an area without exposing themselves to fire.

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Is hydrogen gas soluble in water?

Hydrogen gas is produced by reacting almost any metal with a strong acid, such as hydrochloric acid. As hydrogen gas is mostly insoluble, the bubbles of hydrogen gas that rise to the top of the solution are easily recovered through water displacement. However, this hydrogen is not pure, as it also contains small amounts of water vapor and air, which must then be removed through purification.

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What is the preferred fuel for most body functions?

Unlike the brain, "Biochemistry" indicates that many other organs prefer alternative metabolic fuels before turning to glucose. One of the best understood examples of this phenomenon is the liver. As the major organ of metabolism, the liver processes most of the nutrients obtained from food in the digestive tract. Rather than use glucose to fuel its own activities, the liver stores incoming glucose as starch, called glycogen. Once glycogen stores are full, additional glucose is converted directly to fat. The liver prefers to use ketone bodies and other byproducts of metabolism as fuel.\nSkelet..

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How are boogers formed?

When an irritant like pollen or a germ gets sucked into the nose, tiny hairs called cilia trap it. The cilia move the whole irritant toward the back of the throat while mucus forms around the cilia. According to KidsHealth, the trapped particles and the mucus become a booger when they clump together and dry out.\nThere are different qualities of boogers. Some are slimy due to colds, allergic reactions or exposure to harsh smells and chemicals. People who live in dry, dusty climates make drier boogers than those who in live in more humid places.\nIt takes a good bit of mucus to stay healthy. In..

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What does a capacitor do?

The capacitors can come in thin films or even beads, depending on what the device is being used for. The energy in a capacitor is actually stored as electrostatic energy, which is stored between the plates in the insulator. These dielectric insulators, just like the conductors, can come in a number of forms and materials, such as glass, ceramic or paper.

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How does a feedback loop help maintain homeostasis?

There are two types of feedback loops, negative and positive. Positive feedback loops occur when the result of the loop signals to the organism to do the loop more. Negative feedback loops occur when the outcome tells the body to slow down or stop. Many metabolic processes contain negative feedback loops that are based on the product of the process. When the concentration of the product is high enough, it shuts down the process.\nOne well-known negative feedback loop that maintains homeostasis is associated with thermoregulation. When an organism is physically active, the metabolic processes n..

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How long will fossil fuels last?

The British green energy supplier Ecotricity estimates that as of 2014, the planet may exhaust reserves of oil in 2052, gas in 2060 and coal in 2088. Also as of 2014, the BBC estimates that reserves may last longer, with oil reserves used up in 2074, gas reserves lasting until 2084 and coal reserves available until 2274.

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