Which portion of this sentence represents a sample?
Out of the 48 streams found in his county, Bob surveys 15 streams for the mosquito that carries the Zika virus.
Zika virus
mosquito
15 streams
48 streams
Out of the 48 streams found in his county, Bob surveys 15 streams for the mosquito that carries the Zika virus.
Zika virus
mosquito
15 streams
48 streams