About half of the CO₂ produced by human activities, mainly fossil fuel burning, remains in the atmosphere each year. If all the CO₂ remained in the atmosphere, what would be the increase in concentration of CO₂2 (ppm) each year? 1 ppm 20 ppm 100 ppm 5 ppm 10 ppm 6 ppm

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.