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.
mosquito
Zika virus
48 streams
15 streams

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.

By examining a wave’s pattern after it interacts with a barrier or gap, measurements can be made to better understand certain wave phenomena. what is a broad question you can answer by doing this experiment?