The answer is D because of smoking and the smoke fills places and the smoke is dangerous to breathe in. If you are younger than 18 and are using drungs it is against the law to do that. Finnally they increase spread of disease because you could have too much drugs.
hope this helped :)
alisa202
Hi !
Answer:
Which type of reliability is he examining?
<em>- test-retest</em>
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I’m pretty sure they included more than one independent variable.
200 is a possible measurement of the AQI.
