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I wake up in a daze. I am breathing but just about. My hand is red - I'm bleeding. What happened? My eyes open slowly to realise the train is standing on its side. There are a few lifeless bodies displace...
Plant cells have a cell wall in addition to their cell membranes while animal cells only have a surrounding membrane. This allows plants to have more rigid shape so they can grow without collaps...
Indice rules are fundamental in answering this question 1) (ab)(ac) = a(b+c) 2) (ab)/(ac) = a(b-c) 3) (ab)c = aOWAnswered by Oak W. • Maths tutor3489 Views
Centripetal Force = (mv^2)/r
The centripetal force must always act towards the centre of the circle in which the satellite is travelling. Therefore it is a attractive force from the Earth and henc...
There are differnet ways that substances can move across a cell surface; simple diffusion, facilitated diffusion, osmosis or active transport. Most substances can move across the cell membrane via simple ...
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