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Explain the process of osmosis giving an example of why it is important for cell function.

This question is 4 marks. 1) osmosis is the net movement of water 2) from an area of high concentration to an area of low concentration 3) across a partially permeable membrane 4) importance: allows cells to...
AV
Answered by Amelia V. • Biology tutor
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I set up a tent (assume it’s a regular triangular prism) of length 2.2m. The triangular face of the tent is an isosceles triangle. The two identical sides are both 1.4m long and have an angle of 34degrees between them. Work out the volume of the tent -3sf

First work out the area of the triangular face using the formula 1/2 A B sin c:1/2 x 1.4 x 1.4 sin(34) = 0.548m 2 recall volume of a regular prism = area of face x length hence V = 0.548 x 2.2 = 1.21m 3
CL
Answered by Chloe L. • Maths tutor
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Explain how the increasing use of fossil fuels and changes in agriculture may have contributed to global changes in temperature (4)

Global climate change is now a global crisis due to the increase in temperatures causing more extreme events to occur such as more intensive storms and the increase of melting ice caps. Increasing use of fos...
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Answered by William F. • Geography tutor
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How do you manage learning so many tenses?

Practice suing those tenses in speech and writing when you can. If you get it wrong, don't worry! As long as you keep practising using those tenses, you'll be confident in using and manipulating those tenses...
LB
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What is the difference between a haploid and diploid cell

A haploid cell contains half the number of chromosome, for example a haploid human cell would have 23 chromosomes as opposed to 46. These haploid cells will be the sperm or egg cell (the gametes) A diploid c...
TD
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