Fractional distillation
heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top. vapours from the oil rise through the column. vapours condense when they become cool enough.
It was Lev V<span>ygotsky, a Soviet psychologist, who theorized about the aided and the preceded concepts regarding the development of language. His theory was mainly focused on human bio-social and cultural development and for him interaction is a necessary tool in one's development.</span>
Answer:
Great attitude. That I will try to do the time and that is it.
Explanation:
I love exercising because it keeps me healthy and looking good. If I just follow the schedule then I will not do more than that.
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