What is the unit of relative density?
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The lowest layer of atmosphere is called _______.
Depletion of ozone layer causes
The arrangement of leaves on an axis or stem is called
The source of energy in an ecosystem is
Pollination by wind is called?
__________ (HHDD) is a technology where the conventional disk drive is combined with non-volatile flash memory, of typically 128 MB or more to cache data during normal use.
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
a rich source of something