The mining of oil shale requires the lowering of ground water below the level of oil shaling.
Explanation:
The responsibilities of a Meteorologist include analyzing and interpreting meteorological data, issuing severe weather warnings, and broadcasting the weather forecast over television or radio
The answer for this one is b) Looping of DNA
Aluminium is in Group 3 in the periodic table. Group 3 elements have a 3 valence electrons.
Thus elements like; boron(B), gallium(Ga), indium(In), thalium(Tl) in Group 3 have the same number of valence electrons as aluminium.
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The correct answers A false
