Scientists wanted to determine the levels of pollution that a fish could withstand. They placed fish in tanks with differing pollution levels and timed how long they could live under those conditions. What is the independent variable?.

Having the act with writing can make an additional scores based on the analytic rubric scoring. the writing test usually are 2 weeks after multiple choice yet the answer on this scenario would be c. before the main act score results then have been release.

Answera major is needed to earn a bachelors;

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