Which sentence contains a verb in the passive voice

Alaska is visited by thousands of people every summer.

daylight saving time (dst) has been used for more than 100 years. changing the clocks does not create extra daylight, but it causes the sun to rise and set at a one of the aims of dst is to make sure that people's active hours coincide with a german analysis of 44 studies on energy use and dst found a positive

to get a better life and have children that they get to see grow up better than they did.