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Blood vessels allow blood to be circulated around the whole body for delivery of oxygen/nutrients and removal of waste products. The structure of arteries and veins helps...

Key Factors of Photosynthesis:LightWaterC02Therefore, adaptations are to maximise the absorption/use of these substances. Large surface area = maximum light absorptionThin, flattened surface = smaller dif...

Make sure you read the mark scheme and really understand it. Have a text box on each page explaining everything that page will show, and everything you learnt from it.Always ask for feedback from your tea...

First, I would highlight the numbers you need to use for this question and label them as v and λ. This makes them easier to find once you start inputting them into the calculator. Find the equation you ne...

我家离学校很近，上学可以走路，也可 以坐公共汽车，很方便。我今天是坐公共汽 车上学的。My home is very close to school, I can walk to school, and can also take the bus, it is very convenient. Today I took the bus to school.Set structures:A离B近 means...