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The first thing to remember is that muscles always act in pairs; so when one contracts, the other relaxes. Think of the muscles in your arm; when you bend your arm towards you, the bicep contracts so beco...

It can be translated with the present perfect or the simple past in English. It is used to indicate that an action in the past has been completed. In everyday language, the passé composé is also ...

h dy/dx (4) = 0.03y(4.3) = 8+0.03 = 8.03y(4.6) = y(4.3) + 0.3 dy/dx(4.3) = 8.0581 to 4 d.p

unevenly thickened cell wall able to change shape / bendtransport proteins / ion pumps, in plasma membrane(presence of) chloroplasts (to provide, ATP / energy)

A good essay always starts with a good plan. It is obvious to a reader/examiner whether or not the writer has put in time to plan. This does not only mean that the writer has thought about the ideas they ...