Top answers

Why does blood flow to muscles increase during exercise?

Muscles require more energy during exercise. Additional oxygen and glucose are needed to release the energy. Blood flow increases to supply these to muscles faster. Respiration also increases to allow more o...
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Answered by Chloe W. • Biology tutor
23137 Views

Why do melting points decrease down group I?

As we go down group I, the ions have larger shells and the distance between the bonding electrons and positive nucleus decreases. This decreases the overall attraction forces between the two in metal lattices.
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Answered by Chloe W. • Chemistry tutor
4385 Views

When to use passé composé or imparfait?

The imparfait is used to describe the background or ongoing events/habits. Example: If faisait beau. The passé composé is used to describe what is taking place in that very moment or a specific event. Exampl...
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Answered by Chloe W. • French tutor
2205 Views

Sarah plans to paint a rectangular wall of dimensions 8.7m x 2.3m. A tin of paint costs £16.10 and covers 6 metres squared. Sarah has a budget of £56, can she afford to paint the wall? Explain your reasoning.

(This question would appear on the calculator paper of GCSE Maths) The first step is to calculate the total area of the rectangular wall by multiplying the width and height of the wall: Area (rectangle) = Wi...
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Answered by Rob S. • Maths tutor
5647 Views

What are the three time expressions that are used in Spanish (in the present)?

Hace + time + que + verb in present tense Example: hace ocho años que estudio español Verb in the present + desde hace + time Example: estudio español desde hace ocho años Llevar (conjugated in the present) ...
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Answered by Dapika R. • Spanish tutor
2165 Views