Environmental Science The World Wetlands Day is celebrated on ________ 43987 43911 43889 43863 43987 43911 43889 43863 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science When human body is infected by infection __________ type of cells are activated to defend the body. monocytes erythrocytes leukocytes lymphocytes monocytes erythrocytes leukocytes lymphocytes ANSWER DOWNLOAD EXAMIANS APP
Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Nitrogen, water vapor Hydrogen, oxygen Nitrogen, oxygen Oxygen, hydrogen Hydrogen, helium Nitrogen, water vapor Hydrogen, oxygen Nitrogen, oxygen Oxygen, hydrogen Hydrogen, helium ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere? Water vapor and carbon dioxide Nitrogen and carbon dioxide Ozone and oxygen Oxygen and nitrogen Water vapor and carbon dioxide Nitrogen and carbon dioxide Ozone and oxygen Oxygen and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Science _________ is an important factor that aggravates the effect of drought. Floods Soil Erosion Deforestation Acid Rain Floods Soil Erosion Deforestation Acid Rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is the major cause of diminishing wildlife number? Felling of trees Cannibalism Habitat destruction Paucity of drinking water Felling of trees Cannibalism Habitat destruction Paucity of drinking water ANSWER DOWNLOAD EXAMIANS APP