The choices for this question can be found elsewhere and as follows:
a. decreased significantly
b. increased significantly
c. stayed at the same levels
d. decreased slightly
I believe the correct answer from the choices listed above is option B. <span>Over the past 20 years, the major pollutants in our world have increased significantly. It is very evident when you look at the environmental statistics.</span>
Are there answers from what I can pick from..?
