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Expand and simplify: (x+7)(x+3)

This is a question that requires multiple steps, and in the exam may be worth around 3 marks. One will be for expanding, one for simplifying, and one mark for working.First step: expand the brackets. This co...
LS
Answered by Lily S. Maths tutor
11886 Views

Why is chlorine more reactive than iodine? (3 marks)

3 marks so 3 points = chlorine's outer electrons are closer to the nucleus than iodine's (because chlorine has fewer shells)//so chlorine's nucleus is more attracted to its outer electrons than iodine's nucl...
SR
3086 Views

What is the importance of setting in Kazuo Ishiguro's Never Let Me Go?

In 'Never Let Me Go', Kazuo Ishiguro uses space as a physical representation of the central character's disconnection and ostracisation. In his reimagining of an alternate past, Ishiguro explores a world whe...
EM
19018 Views

Explain one benefit of international trade for UK consumers.

The key benefit for UK consumers will come in the form of lower prices and hence they will receive a welfare gain through the increase in consumer surplus. International trade increases the size of the marke...
MS
Answered by Martin S. Economics tutor
2730 Views

What are rate limiting factors for Photosynthesis?

Photosynthesis is the process in which energy in the form of sunlight is used to convert water and carbon dioxide into glucose. The factors that limit the rate are carbon dioxide concentration, temperature, ...
MM
Answered by Megan M. Biology tutor
3743 Views