Environmental Science When human body is infected by infection __________ type of cells are activated to defend the body. erythrocytes lymphocytes leukocytes monocytes erythrocytes lymphocytes leukocytes monocytes ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following enhances soil fertility? Using new seed varieties Improved methods of agriculture Irrigation Crop rotation Using new seed varieties Improved methods of agriculture Irrigation Crop rotation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science CFC releases a chemical which is harmful to ozone is SO2 chlorine N2O fluorine SO2 chlorine N2O fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Science In a food chain of grassland ecosystem the top consumers are Bacteria Herbivorous Either carnivorous or herbivorous Carnivorous Bacteria Herbivorous Either carnivorous or herbivorous Carnivorous ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The horizontal extent of the ozone hole can sometimes exceed the size of the Antarctic continent. 1 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The development of a bare area without any life form is called Ecesis Reaction Nudation Sere Ecesis Reaction Nudation Sere ANSWER DOWNLOAD EXAMIANS APP