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What are the key things to include in an introduction for an essay?

It is important to lay out your judgement with regard to the question whatever it may be, be concise and clear about where you stand. If there are any key terms or ideas that need explaining, it is a good...

Answered by Lucy B. • History tutor

2275 Views

Describe the attachment study carried out by Lorenz

To test his theory of imprinting in attachment, Lorenz used unhatched goslings to find out whether they will attach to the first moving object they see. He divided a sample of goslings in 2 and let one ha...

Answered by Elizabeth M. • Psychology tutor

4821 Views

Describe how a wave of excitation, which originates in the sinoatrial node (SAN) of the heart, eventually results in ventricular systole.

• SAN send a wave of depolarisation/excitation across the atria causing them to contract• wave cannot pass directly to the ventricle, due to the non-conductive tissue of AV-valves• wave reaches the AVN (i...

Answered by Joseph G. • Biology tutor

5250 Views

Which substance is oxidised in the reaction represented by the ionic equation below? Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)

Remember OILRIG for oxidation or reduction reactionOxidisation IsLoss Reduction Is GainSo if Zinc goes from neutral charge to 2+ charge, this means it has lost 2 negative charges in electrons, so as oxida...

Answered by Ned B. • Chemistry tutor

10840 Views

How can I improve for my french oral expression?

Speaking french is not only about grammar and a good structure even if it is indeed important. The facial expression and the "euh" (umh), or "alors" (so) when you are thinking about yo...

Answered by Sarah D. • French tutor

1824 Views