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For a long time, the richest men and women in the world have mainly been entrepreneurs and if business is that rewarding, why doesn't everyone just do it? This thought has come to many of us who are study...

They will swell and burst as water will enter the cell through osmosis. Water is more concentrated outside of the cell than in so the cell bursts.

1. You would use chromatography, the different colours have different affinities depending on the solvent you use. So different colours will travel longer than other on your chromatogram (support).2) Y...

The first thing to note about this question is that it's a simultaneous equations question, involving a quadratic. We will have to use substution in order to solve it. So first of all we need to chose whi...

Hardwoods: oak, mahogany, maple, ash, birch, etc. Softwoods: pine, spruce, cedar, fir, etc. Disallow any manufactured boards, e.g. plywood, MDF, etc.