Environmental Science Air pollution can be of natural origin artificial or man made origin b only both a and b natural origin artificial or man made origin b only both a and b ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Commonly used radioactive isotopes in scientific research 32 P all of these 14 C 125 I 32 P all of these 14 C 125 I ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Green House effect is caused by Decrease in O2 Increase in CO2 Decrease in CO2 Increase in O2 Decrease in O2 Increase in CO2 Decrease in CO2 Increase in O2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as benthic planktonic neuston nektonic benthic planktonic neuston nektonic ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The resources that are derived from bio-mass of living organisms are called ________ resources. environmental renewable natural non-renewable environmental renewable natural non-renewable ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one is nature's cleaner? Symbionts Decomposers and Scavengers Consumers Producers Symbionts Decomposers and Scavengers Consumers Producers ANSWER DOWNLOAD EXAMIANS APP