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Chemistry

How does carbon dioxide in the atmosphere affect ecosystems?

How does carbon dioxide in the atmosphere affect ecosystems? Carbon dioxide is a naturally occurring greenhouse gas. These gases help keep the Earth warm by absorbing the sun’s energy and by redirecting energy back to the Earth’s surface. An increase in the amount of carbon dioxide creates an overabundance of greenhouse gases that trap additional […]

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What is tip speed of agitator?

What is tip speed of agitator? To find tip speed, we need the rotor diameter and rotational rate. So assume a rotor diameter of 100m and a rotation rate (ω) of 15 revolutions/min, rpm. A Google search says to convert m/min to mph, multiply by 0.0372 [mph / m/min]. = 175 mph. What is impeller […]

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How is unicellular and multicellular similar?

How is unicellular and multicellular similar? Multicellular and unicellular organisms are similar in a way that they show almost all the life functions and processes such as reproduction and metabolism. They possess RNA and DNA, which can display a range of lifestyles that are essential to most of the ecosystem that we currently exist in. […]

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How many substances are in vinegar?

How many substances are in vinegar? Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings. Vinegar typically contains 5–8% acetic acid by volume. Usually the acetic acid is produced by the fermentation of ethanol or sugars by acetic acid bacteria. There are many types of vinegar, depending on source […]

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What is the atomic number of calcium carbonate?

What is the atomic number of calcium carbonate? Density (near r.t. ) when liquid (at m.p. ) Calcium is a chemical element with the symbol Ca and atomic number 20. How many atoms are in a molecule of calcium carbonate CaCO3? Calcium carbonate is a molecule that contains one atom of calcium, one atom of […]

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What does a hemoglobin of 15 mean?

What does a hemoglobin of 15 mean? The hemoglobin count is an indirect measurement of the number of red blood cells in your body. When the hemoglobin count is higher than normal, it may be a sign of a health problem. Normal hemoglobin counts are 14 to 17 gm/dL (grams per deciliter) for men and […]

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Can skin cancer spread to organs?

Can skin cancer spread to organs? The most common places melanoma spreads to are the: lungs. liver. What type of skin cancer is most likely to spread to other organs of the body? Melanoma is much less common than some other types of skin cancer. But melanoma is more dangerous because it’s much more likely […]

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