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What is a catalyst?

A catalyst lowers the activation energy of a reaction and therefore increases the rate of reaction. The catalysts reacts with the reactants but is regenerated again i...

Answered by Hannah G. • Chemistry tutor

4416 Views

How do I factorise a quadratic equation?

A quadratic equation is one with a squared term, like 3x

Answered by Eden A. • Maths tutor

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What is the political role of the Judiciary, and is it able to remain neutral from political bias?

The judiciary is one of the three branches of Government, and therefore pl...

Answered by Rachael B. • Politics tutor

10106 Views

What is the process of natural selection?

- Differences in genes lead to variation within a species

- It is in an individuals' best interest to produce the maximum amount of offspring in order to have maximum variation in the genes of...

Answered by Bethany M. • Biology tutor

4672 Views

What is the ablative absolute and how do you use it?

The ablative absolute is a neat and, I think, elegant Latin subordinate clause. It is distinguishable from the main clause by a subject noun and a participle, usually the perfect, in the ablative case...

Answered by Sam C. • Latin tutor

4662 Views