Which of the following can release harmful substances into the environment?
vehicles cigarettes fossil fuels Thunderstorms Photosynthesis Pesicides Tree sap mines
A B C D E F G H
Pollution is the release of harmful substances into the environment.
Pesticides can cause the release of harmful substances into the environment.
Which of the following can release harmful substances into the environment? (A) vehicles (B) cigarettes (C) fossil fuels (D) Thunderstorms (E) Photosynthesis (F) Pesicides (G) Tree sap (H) mines