Correct answer
C. Air pollution
Explanation
Air pollution is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
When 6d orbital is complete the entering electron goes into_________________?
What is the approximate pH range of fresh milk?
The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?
The science of fermentation is called _______ ?
Benzene is heated in air with V2O5 at 450°C it undergoes________________?
What catalyst is employed when benzene is prepared from acetylene at 70°C?