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Atoms involved in a covalent bond will share ​a pair of electrons in order to acheive a full outer shell in both atoms. Each atom will donate a single electron to the ...

Sulfer, when burned in the presence of oxygen, will form sulfer dioxide (SO₂​). This can then dissolve in rain water, forming sulfuric acid. This will then fall to the ground as acid rain wh...

When one sees an industry where there is only one firm in the industry, this is referred to as a monopoly. 

When looking at monopolies, the first assumption is that only one firm in the i...

A synapse is the tiny gap between two neurones. At a synapse information is passed across the gap via chemicals, called neurotransmitters, rather than using electrical impulses. When information passes...

This question involves factorising then simplifying an equation. Start with the original equation:(x-1)² - (x-1) Take out a factor of (x-1)(x-1)(x-1-1)Simplify(x-1)(x-2)