Which strategy best describes a way to address polluted air? Select three options.

In general, how long does it take to accomplish a long-term goal? a. a few days to a weekb. a few weeks to a monthc. a few months to a yeard. more than a year

One of the reasons that stars are so large is because

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2