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Evolution by natural selection occurs when random mutations in the genome of an organism causes phenotypic traits (observable characteristics or traits) to be different between individual...

At the points of intersection the x and y coordinates will be the same. So we can solve the equations simultaneously to see what solutions to x and y solve both equations.Rearrange the second equation to ...

The question comes from the quadratic equation r = (-b +- sqrt(b² - 4ac)/2a where r is the root or x coordinate where the line crosses the x-axsis (the y coo...

Once you have cracked the formula for doing an essay, you will start to see your grades get better and better. I always remember what I have to write by thinking of PEEL and FSL. But what do these have to...

First, to break down this sort of question we should read each physical unit (W(atts) in this case) as its equivalent statement. ie 1W=1Js^-1, if this is not intuitive, think of the basic equation P=E/t. ...