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How would you investigate the effect of light intensity on the rate of photosynthesis in pondweed? [6]

Apparatus is set up by first adding the pondweed to a beaker filled with water. The beaker has been sealed and any gas produced by will be collected by a syringe. Light will be provided by a lamp and its ...

Answered by boland S. • Biology tutor

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At each point P of a curve for which x > 0 the tangent cuts the y-axis at T, and N is the foot of the perpendicular from P to the y-axis. If T is always 1 unit below N and the curve passes through the point (1,0), find the Cartesian equation of the curve.

When faced with a problem like this, it is always a good idea to draw a rough sketch of what might be going on. With the help of a diagram, we notice that PNT is a right angled triangle w...

Answered by Siddharth P. • Maths tutor

2532 Views

What is the difference between POR and PARA

Por and Para are both used to replace words such as 'for' 'by' or 'through'. PorPor is used to talk about movement, modes of transport and communi...

Answered by Jessica May J. • Spanish tutor

1482 Views

How does Priestly use the theme of inspection in An Inspector Calls?

Priestly utilises the theme of inspection in An Inspector Calls to conjure the consciences of the characters and invoke a sense of guilt. Priestly's play centres around the idea of inspection and...

Answered by Megan J. • English tutor

11310 Views

Evaluate the usefulness a knowledge of perfect competition theory in analysing the behaviour of firms. [15]

Perfect competition is the most competitive market structure with many firms holding a small market share and no barriers to entry. There are no pure real-world examples ...

Answered by • Economics tutor

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