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A syncline describes an area where different strata of rock have been folded (either symmetrically or asymmetrically) in a horseshoe/U shape, with the youngest formed rocks located within the centre, a...

Earthquakes tend to occur in areas where two tectonic plates are in contact with each other. The three main locations are: 1) areas of continental collision, 2) subduction of one plate beneath another,...

Proof by induction involves making an assumption, and using that assumption to prove that the consecutive case follows the pattern. 

The key to this is realising that most questions follo...

∫ e^xcos x dx 

First of all, we have to think of which method we want to use to approach this problem. There are a few options we can consider such as integration by parts and su...

The prepositions en and dans both mean "in" in French, and can both express time and location. But they are not interchangeable; their usage depends on ...