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GCSE

What is globalisation and how does it affect us?

Globalisation is the process of the worlds systems becoming increasingly interlinked. Advancements in technology has resulted in improved transport and communication systems which has increased flows o...

RT
Answered by Robbie T. Geography tutor
153964 Views

What is an enzyme and how does it work?

An enzyme is a biological catalyst (something that speeds up a chemical reaction), which is a protein, a chain made of many amino acid molecules. An enzyme has its own unique three-dimensional structure, ...

MB
Answered by Merle B. Biology tutor
6809 Views

How do I use direct and indirect object pronouns in French?

Let’s start with direct object pronouns. First of all, what is a direct object? The direct object of a sentence is the thing directly affected by the verb. Usually it follows the verb straight aw...

RK
Answered by Ruby K. French tutor
8426 Views

What is empirical formula and how is it worked out?

This is the lowest/simplest ratio of the molecule. For example propene has the formula C3H6

EW
Answered by Emma W. Chemistry tutor
19136 Views

What is the difference between a scalar and a vector quantity?

scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration tow...

EW
Answered by Emma W. Physics tutor
15049 Views

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