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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 Idependent Variable?

a Amount of time survived
b Levels of pollution
c Type of pollution
d Type of fish

Respuesta :

I think b. An independent variable is the one that is controlled and manipulated. In this experiment the levels of pollution is being manipulated :)

The independent variable is b. level of pollution.

Information regarding variables:

  • An independent variable is the one that could be controlled and manipulated.
  • In this given situation,  the levels of pollution should being manipulated.
  • Therefore, the other options are wrong.

Learn more about the variable here: https://brainly.com/question/787279?referrer=searchResults