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What is a circumpolar star?

As Earth turns at a rate of one complete revolution per 24-hour day, celestial objects seem to rise over the eastern horizon, pass across the sky and set in the west. Near the poles, however, this motion has a different effect. An object over either the North or South Pole seems to describe a circle in the sky overhead with the center of the apparent orbit being the north or south celestial pole.

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What are some uses for hemp oil?

Veria Living states that hemp oil has been proven to help hormonal balance. The oil has gamma-linolenic acid, which is the precursor for the creation of PGE1. PGE1 keeps hormonal balance in check as well as helps with menopause.\nIn addition, hemp oil is used as a natural emollient and moisturizer. It is added to many body and skin care products and assists in regenerating the protective layer of the skin, based on reports by Veria Living. In turn, the skin becomes more energized and the skin elasticity increases; plus, the tissues develop greater water retention capacity.\nVeria Living explai..

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What is the 3-D distance formula?

The formula is the same as that for distance on a two-dimensional axis, but the three-dimensional formula uses three numbers in each coordinate rather than the two used to express two-dimensions. The same formula can be used to measure distance on a plane with any number of dimensions. The formula for distance on a multi-dimensional plane comes from Euclidean geometry and is derived from the Pythagorean Theorum, which is used to calculate the lengths of the side of a triangle.

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How many grams are in one ounce?

Grams are a metric unit of weight, while ounces are a U.S. customary unit of weight. When converting dry ingredients in a recipe, the following equivalents may help: 1/4 cup is 56.7 grams, 1/3 cup is 75.6 grams, 1/2 cup is about 113.4 grams and 1 cup is about 225 grams. One pound is equivalent to about 450 grams. One tablespoon is about 14.3 grams, and 1 teaspoon is 4.76 grams.

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What does the color mauve look like?

Mauve is named after the mallow flower, which is a shade of purple. There are some variations of mauve as well. There is the "rich mauve," the "French mauve," the "opera mauve," the "mauve taupe" and the "old mauve." These all differ in darkness but are all shades of purple. The 1890s are often referred to as "The Mauve Decade" because the color was popular among artists in the United States and in Europe.

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How do you convert milligrams to milliequivalents?

Establish the number of valence ions availableEach element has its own valence value. Aluminum, for example, has a valence value of 3, often represented as Al 3+. Consulting a table of valence values assists in this process. \n\nTo find the number of ions in 10mg of aluminum, 10mg is multiplied by the valence value of 3 to give an answer of 30 ions.Find the atomic mass of the element in questionThe atomic mass of an element can be found by consulting the periodic table. In this example, the atomic mass of aluminum is 27. \nDivide the atomic mass by the number of valence ionsCalculate the milli..

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What is an animal cell shape?

Many animal cells appear roughly spherical when viewed through a microscope. Neurons tend to have long protrusions sticking out from a central cell body. Adipose cells, which store fat in the body, tend to be almost perfectly spherical when filled, and become flatter when empty. Muscle cells are elongated, and they can stretch and contract when the organism moves.\nThe epithelial cells that make up the outer layer of skin tend to be flat and devoid of many of the organelles present in other cells, while the underlying layers of skin have cells that line up in columns or rows. Red blood cells a..

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How do mountains form?

According to geologists, most mountains are created from geological forces, heat and pressure. These elements produce changes and movements in the Earth’s crust. This is called plate tectonics, which is a theory that states that the Earth’s crust is divided into various rigid plates that move a few centimeters each year. Various geologic processes occur when these plates collide, resulting in a crustal uplift. Horizontal compression, which involves the deformation of crustal strata and causes folds or wrinkles, also triggers other geologic processes. For example, the Himalayas formed from ..

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What are various biochemical tests to identify bacteria?

These tests employ various methods and mediums for identifying bacteria. Some, like MSA, test for the presence of certain bacteria. This test employs selective and differential tactics for isolating and viewing bacteria. Scientists often use the MSA test to identify bacteria capable of living in salty environments, such as Streptococcus. The MSA tests uses sugar — mannitol — as a control substance; some Streptococcus species ferment mannitol while others do not, helping scientists distinguish among species.The BAP test also helps scientists identify different species of bacteria in the sam..

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What is the steady-state approximation?

Steady state approximation is only intended to operate as a casual differentiator between two analyzed reactions. The calculation is commonly applied in Michaelis-Menten kinetics, which explains the rates at which different enzymes react with one another. It is important to note that the steady state approximation assigns only the intermediate concentration variation at a value almost equal to zero, rather than at an absolute constant. The Faculty of Science at the University of Waterloo states that this set-zero value may still oscillate and produce measured variations, but the values are so ..

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