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Q.What is the greenhouse effect?
Some gases like carbon dioxide, methane, nitrous oxide prevent the escape of heat from the Earth's surface by trapping it. This increases the average temperature of the Earth. This is called the green house effect. An increase in the content of such gases would lead to a situation of global warming.
To show that liquids exert pressure Connect two 15 cm lengths of glass tubing or two transparent plastic soda straws with a short length of rubber tubing and attach them to an
explain the factors that led to the decline of science in europe during iron agen..
How to make an overflow can and catch bucket These are useful for the study of Archimedes' principle, which controls floating and sinking. To make an overflow can secure a tin
summary on parts of the reproductive system
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The digestive system is made up of two groups of organs: Alimentary tract, which includes mouth, pharynx, oesophagys, stomach, small intestine, large intestine, appendix
Another way to show that air expands when heated Snap a toy balloon over the neck of a small bottle and place the bottle in a pan of warm water.
Explain the Role of cholecystokinin Pancreozymin (CCK-PZ): The presence of food in the upper small intestine also causes another hormone, CCK-PZ to be released. It is a polypep
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List any three human activities that you think would lead to air pollution. The following three human activities would lead to air pollution: (i) Burning of fossil fuels such
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