Answer:
Simile
(Comparison between two things)
Transverse is to stretch across something
The dictionary definition is
situated or extending across something."a transverse beam supports the dashboard"<span>synonyms:<span>crosswise, crossways, cross, horizontal, diagonal, oblique, slanted</span></span>
The comparison that would best support the idea presented in this paragraph is B, "much like the process of digestion, the phagocytes 'eat' and then digest the unwanted organisms". First of all, it is necessary to know the meaning of "engulf". To engulf, according to the Collins dictionary, means to completely cover or hide something, often in a sudden way. That's why B is the best comparison. Phagocytes eat the microorganisms and then digest them.
The density of liquid can not only help with sciences, but can help you with finding out the murderer of a crime novel. For example, if the killer had poisoned the ice or drink, knowing what the density of liquid can help you find out what poison was used or the antidote.
