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Broadly speaking, there are two ways to go about this kind of essay question. One option is to spend the first half your essay on one poem and, in the second half, write about a different poem in the ligh...

-2, -1, 0 M1 for 2 correct values, M2 for all 3 correct values

Whenever you have a negative power always take the reciprocal or flip the base value i.e 125. So now it is 1/125 raised to the power of 2/3. By flipping it over the fractional index is no longer negative....

It is a type of bonding where there is an electrostatic attraction between negative charged ions and positive charged ions. In this way atoms chemically combine, to produce a compound.

First we should quickly remind ourselves of the equation for density:density= mass/ volumeTo calculate the density we need a method of measuring the mass of each object and another method for measuring th...