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Please explain the difference between the 'passato prossimo' and 'l'imperfetto':

The "passato prossimo" refers to events that are completed, but have some relation to the present. Events which happened long ago can still be expressed in this tense when the event is seen as stil...
Answered by • Italian tutor
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Explain one advantage and one disadvantage of fracking.

Fracking is a process which extracts natural gas efficiently, reducing our dependency on coal as an energy resource. However, the fluid used within the process is toxic and can contaminate air and water supp...
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Answered by Thomas D. • Geography tutor
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A plant is moving mineral ions from the soil into its roots by the process of active transport. Does this suggest that the concentration of ions is higher in the soil or the roots?

The concentration is higher in the soil. The process of active transport is used to move molecules against the concentration gradient (from a low to a high concentration). Therefore the concentration of ions...
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Answered by Alice M. • Biology tutor
10929 Views

What happens at the junction between neurons?

Neurons are the basic cells in the nervous system. They are made up of a soma, axon, dendrites and synapse. The synapse is the end part of the neuron that is in charge of sending a message from one neuron to...
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Answered by Sean D. • Biology tutor
4178 Views

How do I know when to put and accent or not when I am writing ''ou" or "où" ?

In French like in English and other languages, there are many words that sound the same but have very different meanings. In order to make sure that there is a distinction when they are written, the French h...
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Answered by Nadia C. • French tutor
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