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Because both verbs can be translated to "to be<" in English, distinguishing them can be particularly difficult for students. The verb "ser" is used to describe permanent/unchangeabl...
In French a specific expression is used to describe to action : "être en train de" whereas the English language uses perfect tenses (to be (past , present , future) + verb-ING) . Effectively no ...
It can seem confusing but the for the imperfect it is important to remember:-it describes something from the past-it is used to talk about things that used to happen - habit...
Starch is a polysaccharide of alpha glucose. It is made up of amylose and amylopectin. It forms a branched structure to allow it to be compact, this is due to the fact it contains 1-4 and 1-6 glycosidic b...
This problem is best split into two parts either side of the '+' sign seen as they are independent of each other, so the first part: 3(2a+2), as the 3 is outside of the bracket we have to multiply everyth...
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