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How do you form the perfect tense using avoir?

The Perfect tense is formed of two parts -- the present tense of the auxillary verb (avoir or etre) + the past particple of the verb you are using! Most verbs take avoir - to have, as the auxillary, but some...
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Answered by Lily H. • French tutor
2597 Views

Describe how ethanol is produced from ethene.

Ethene is hydrated with steam in the presence of a catalyst.
LO
Answered by Lucy O. • Chemistry tutor
2845 Views

What is a synapse and how does information pass across a synapse?

A synapse s a junction between two neurones. Neurotransmitters are relased from one neurone and diffuses across the synapse to stimulate the next neurone.
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Answered by Lucy O. • Biology tutor
4087 Views

Describe the key features of the Truman Doctrine

The Truman Doctrine was created by President Truman in March 1947, in response to the perceived communist and authoritarian threat in Turkey and Greece. In a speech to Congress, Truman stated that "it m...
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Answered by Mary R. • History tutor
11071 Views

Explain the need for enzymes in digestion.

Enzymes increase the rate of digestion. At body temperature it would be too slow without them. Enzymes break down large insoluble molecules into small soluble molecules so that they can be absored into the b...
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Answered by Caroline O. • Biology tutor
2101 Views