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As grinding down the solid increases the exposure of particles on the surface, this increases the frequency of reactant particle collisions which then increases the rate of reaction.

Type 1 diabetes has an early onset and is linked with genetic factors. Type 2 diabetes can develop later on in life and is linked with lifestyle facts such as diet and exercise.

Il y’a plusieurs avantages d’habiter à la campagne, en général c’est plus calme car il y’a moins de circulation dorénavant il y’a moins de pollution. En revanche les transports en commun sont moins fréque...

Longshore drift is a process by which sediment is moved along the coastline. The prevailing wind blows waves, and the sand and pebbles that are being carried, onto the beach at an angle. The backwash carr...

Four points are needed to answer this question or if you cannot remember four points you can then expand on two points in enough detail. Point 3 would be worth 2 marks.* USA banned all trade with Cuba and...