Which of the following can be made into crystal? (a) A bacterium (b) An Amoeba (c) A virus (d) A sperm

c

Explanation:

Viruses are considered as the intermediates between living and non- living as they cannot metabolize or reproduce on their own. For all its processes virus requires a host. Viruses can be stored as crystal like chemicals.

C

Explanation:

Virus can remain outside the host as a non-living entity in the form of a Crystal

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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