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Firstly, when the past participle is used as qualifying adjective, you must make it agree it with the noun. For instance, in “les choses faites”, you turn the past participle “fait” into the feminine plur...

One way to reduce impacts of earthquakes is to regulate building infrastructure planning to ensure that all buildings are installed with rollers that move with the seismic activity underground. Secondly, ...

Notice that this is a quadratic. First you should try factorisation, then if unsuccessful try completing the square (or the quadratic formula). In this example, factorisation is not possible (I can this f...

It is likely you have been told to PQA your essay answers- point, quote, analysis. The analysis is very important as it shows why you're using that quote to illustrate that point as well as highlighting a...

Halogens. Boiling point increase as you go down the group. (This is because the size of the molecules increase as you go down the group, which increases the strengths of van der Waals forces)