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Atmosphere:
Atmosphere is an envelope of the most useful gases that cover the planet earth. It makes our planet unique and enables life to prosper. If the earth did not have an atmosphere we wouldn't have oxygen to breathe, and the plants wouldn't have carbon dioxide to make food from. The rays from the sun would have scorched our planet during the day, and temperatures would have fallen far below.the freezing point at night. No living organism would have survived in such a situation. You have already studied how earth's atmosphere has evolved.
Give the common name of the historic mineral that was the original source of radium and the first substance in which helium was discovered on earth: Pitchblende
How is energy from food and energy from gasoline different?
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Explain the Cabinet Respiration Such an apparatus is used when the respiratory muscles are paralyzed by an injury or an infection. A cabinet respirator consists of a box in wh
What is a chemical formula? A chemical formula is a way of representing molecules without drawing them. The chemical formula shows the ratio of atoms that form any given molecu
How to calculate the student t test step by step when the mean of heart rate at 1 minute is 5.0,17.2,22.9,8.3,10,76.5,70,19.7 and for breathing rate it is 22.2,28.5,20,12.5,20,92,
How to make soap Soap can be made from waste fat. Secure some waste fats and melt in a dish. Strain the fat by several layers of cloth. Weigh the fat and then weigh out about o
For water soluble/miscible solid and liquid wastes The familiar method of mopping the waste with plenty of water and running the same into the drainage could be done for miscib
For highly volatile liquid wastes Highly volatile liquid waste could be disposed of by effective ventilation until the liquid completely evaporates. Example: Diethyl ether.
Keep the Concentrations of Ions Constant Keep the concentrations of various ions and other important substances constant. A number of chemicals are important to the blood chemi
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