Its the spread of disease from one person to another but it dose no have to be a disease
The answer is a because it's gives descriptive deatil
A prepositional phrase is a group of words consisting of a preposition, its object, and any words that modify the object. Most of the time, a prepositional phrase modifies a verb or a noun. These two kinds of prepositional phrases are called adverbial phrases and adjectival phrases, respectively.
prepositional phrase- plants
preposition- in
if you have visions, you have to have 2 of them so the second pair would be
prepositional phrase - daily basis
preposition- on
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