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Explain why the demand for food has an inelastic PeD.

Food is a necessity, people need it to survive, therefore the demand for food is likely to be unresponsive to a change in price because people still have to buy food reguardless of the cost or they will die....
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Answered by Kate P. • Economics tutor
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Describe the three different types of long term memory.

Eposodic memory is memory for events we have personally experienced. For example, remembering what you got for your 8th birthday present. Eposodic memory is declarative. Semantic memory is the memory of fact...
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Answered by Kate P. • Psychology tutor
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Assess, using examples, the success of local and global strategies in reducing future global warming.

Climate change is one of the biggest challenges facing the world today according to the UN Evironmental Programme. Due to the fact the climate chage is a global issue it is important that countries from acro...
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Answered by Kate P. • Geography tutor
2675 Views

Describe the formation of a waterfall?

They occur where a band of hard rock (e.g. granite) overlies a softer rock (e.g. sandstone). Erosion processes such as Hydraulic Action (the force of the water) and Abrasion (where the river rubs stones that...
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Answered by Fleur M. • Geography tutor
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What determines rate of reaction?

Rate of reaction is determined by the number of successful collisions between the reactants per second. A collision is successful if two particles collide with enough energy to react. This can be affected by...
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Answered by Charlie S. • Chemistry tutor
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