Who here exists
(15 points lol)
1st to exist gets brainliest xD

You must all emergency vehicles using a siren or flashing lights. a. honk to make your position known to b. follow c. yield the right-of-way to d. drive around

The double-blind procedure is most for a.random assignment b.the placebo effect c.operational definitions replication d. standard deviations

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.