A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
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Explanation: As soon as sodium touches your tongue, hydrogen is released with tremendous heat. Most likely an explosion will take place in your mouth. So maybe it won't be a good idea to try it unless thats what you want
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Having a zygotic constitution of a specified kind:heterozygous.
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Osmosis is the movement of water from areas of high concentrations to lower concentrations across a semi permeable membrane. It occurs over these membranes in cells of the body alllowing water to move into and out of them.
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