PLS HELP!! A popular web-based newspaper uses an online survey to poll their readers. Their goal is to determine the current level of
drug use among teenagers. Recalling that a survey is a method used to collect people's attitudes and opinions, describe at
least three potential problems with the newspaper's use of the survey. Include the following terms in your response:
population (or population sample), sampling bias, random sample, anonymity, and representative sample.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: