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Temperature is the macroscopic effect of the average kinetic energy of the subatomic particles that compose a material. Kelvins are therefore used because they are the only true scale that connects to thi...

Experimental designs establish cause and effect. This is done through manipulation of the independent variable (IV) to see the effect on the dependent variable (DV). Correlations cannot establish cause an...

Osmosis is the movement of water across a semi-permeable membrane, down the concentration gradient. This means that if there is more water on one side of a membrane, it will move to the other side until b...

This tense, now used much less than in the past, is utilised in the following cases:1) To exhort someone to do something, instead of using the "imperativo"("Faccia pure come vuole!", ,...

Price elasticity of demand (PED) is a measure of the % change in demand of a good which occurs in response to a change in price.There are four main factors which effect PED:availability of substitutes - i...