..to separate water from the dioxide (explaining hydrolysis)
trioxidane?
What is a placer deposit? (displaying picture of a tornado)
(students all ask why there's a picture of a tornado)
...pictures are used to stimulate your brain (goes on to explain how 'concepts' & blah blah)
(student: So what is a placer deposit?)
It is a deposit formed.
how is babby formed
Concept: 8
Essence: 5
New Papers: 3
Wednesday, June 2, 2010
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