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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 away. For exam...
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Answered by Ruby K. • French tutor
8770 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 C 3 H 6 - if we look a the subscript numbers (the ones down here!) we can see that smaller numbers are possible. It is i...
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Answered by Emma W. • Chemistry tutor
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What is Federalism?

Federalism was Madison's attempt to find a compromise between the Hamiltonains and Jeffersonians. They were the Founding Fathers of the US Constitution. The term Federalism means a vertical separation of pow...
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Answered by Hannah U. • Politics tutor
9842 Views

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

A scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration towards the centre of Earth).
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Answered by Emma W. • Physics tutor
15402 Views

What is the difference between diffusion and active transport?

Diffusion is the movement of particles from a high concentration to a low concentration . This process does not require energy. An example of diffusion is oxygen moving from the airways to the lungs - there ...
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Answered by Emma W. • Biology tutor
71143 Views