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Evaluate the evidence used to reconstruct climate change

The command word is ‘evaluate’, requiring you to assess the relative importance or validity of the evidence. Therefore, your conclusion should include a judgement, for example, of the most or least important...
EM
Answered by Emma M. • Geography tutor
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What are the main stages of the cardiac cycle?

Blood enters the atria. It cannot pass into the ventricles because the atrioventricular valves are closed. The heart is in diastole.The atria contract. The pressure in the atria becomes greater than the pres...
AA
Answered by Anshul A. • Biology tutor
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Factorise this equation and then solve for x) 2x^2 - 3x-2

Do 2x -2 = -4List these factors Choose two of those factors which equal to -3x, in this case 1 and -4 (or the other way around)Rewrite the equation as 2x 2 + x - 4x -2, then factorise this in two parts For 2...
EC
Answered by Ellen C. • Maths tutor
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How are leaves adapted for gas exchange?

Leaves have a large surface area, which means more space to allow CO2 to enter. They are thin so there is less for gases to travel. Leaves contain Stomata; these are small holes found distributed throughout ...
AM
Answered by Anika M. • Biology tutor
44086 Views

Compare anaerobic respiration in a yeast cell with anaerobic respiration in a muscle cell.

Anaeobic respiration in yeast: glucose -> carbon dioxide + ethanol Anaerobic respiration in muscle cells: glucose -> lactic acid The lactic acid build up in muscles requires oxygen to be broken down an...
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Answered by Tom M. • Biology tutor
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