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Using the grid method, we know this is equal to (10100) + (1020) + (7100) + (720) = 1000+200+700+140 = 2040

A reversible reaction where the forward and backward reactions occur at the same rate.

Longshore drift (LSD) is caused by a prevailing wind which is at an angle to the beach.  This causes waves to rise up the beach at an angle, and fall down the beach in a straight line, due to gravity.  Ea...

The passé composé in French (perfect tense) is a type of past tense, which is used to refer to completed actions in the past. For example, in English: He played in a football match and hi...

A balanced diet is one that contains the correct balance of different food groups to avoid malnourishment. Carbohydrates are required for energy release to the body, proteins are used in the body for grow...