select the appositive or appositive phrase. some tsetse flies carry parasites that cause sleeping sickness…

select the appositive or appositive phrase. some tsetse flies carry parasites that cause sleeping sickness, an illness that can be fatal if left untreated.

select the appositive or appositive phrase. some tsetse flies carry parasites that cause sleeping sickness, an illness that can be fatal if left untreated.

Answer

Brief Explanations:

An appositive renames a noun right beside it. Here, "an illness that can be fatal if left untreated" renames "sleeping sickness".

Answer:

an illness that can be fatal if left untreated