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This is a simultanious equation. As there are two unknown variables, it is impossible to find both a and b just using one of the equations. To make it possible to work out the unknowns, we need to have...

We can solve simultaneous equations in two different ways. We can either eliminate one of the unknowns or use substitution. It is about finding which method you are most comfortable with and practicing th...

Darwin and Lamarck were both scientists who tried to understand evolution.

Lamarck
Lamarck’s theory of evolution was based around how organisms (e.g. animals, plan...

Practice makes perfect. There are a few ways you can do this:

FLASHCARDS

Write the classical term or name on one side, and the meaning or any relevant details on the other, ...

I always found it useful to use the following structure when reading a piece of poetry for the first time, and even after that:

Language - What devices are used and why? For example, does...