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How is the perfect tense formed with AVOIR?

The perfect tense is a form of past tense, it is used to describe an action that is completely finished. To form this tense most verbs use a conjugation of AVOIR in front of them. It is formed by the

Answered by Isabella D. • French tutor

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Explain why the ionisation energies tend to increase across a period

As you go across a period, the next atom will have 1 more proton in its nucleus than the one before. Therefore, the nucleus of each atom will have an increasingly positive charge, meaning a stronger nucle...

Answered by Megan S. • Chemistry tutor

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Describe the process of eukaryotic DNA replication

DNA helicase unzips and unwinds the DNA double helix by breaking hydrogen bonds between complementary base pairs. This exposes the bases on two strands creating template strands. Free floating nucleotides...

Answered by Louis B. • Biology tutor

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