209k views
4 votes
over the past 20 years, the major pollutants in our world have A) decreased significally B) increased significally C) stayed at the same levels D)decreased slightly

User Dewalla
by
7.4k points

2 Answers

4 votes
increased ignifically
User SajithK
by
7.7k points
4 votes
B) increased significantly
User Ravi Vaghela
by
8.5k points