Environmental Science The ocean covers ________ percentage of Earth's surface. 0.51 0.61 0.91 0.71 0.51 0.61 0.91 0.71 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science DDT is a ______________ pollutant Naturally degradable Non biodegradable Biodegradable Un-biodegradable Naturally degradable Non biodegradable Biodegradable Un-biodegradable ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is desertification? Conversion of croplands into desert Conversion of forests into desert All of these Conversion of grassland into desert Conversion of croplands into desert Conversion of forests into desert All of these Conversion of grassland into desert ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following regarding ecological pyramids is not correct? The pyramid of energy expresses mainly the rate of food production In deep water ecosystem, the pyramid of biomass is upright The total energy flow at successive tropical level always decreases In most ecosystems, the pyramid of numbers and biomass are up right In tree dominated ecosystem the pyramid of numbers is inverted The pyramid of energy expresses mainly the rate of food production In deep water ecosystem, the pyramid of biomass is upright The total energy flow at successive tropical level always decreases In most ecosystems, the pyramid of numbers and biomass are up right In tree dominated ecosystem the pyramid of numbers is inverted ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following problems is not created by noise pollution? Deafness Hypertension Irritation Diarrhoea Deafness Hypertension Irritation Diarrhoea ANSWER DOWNLOAD EXAMIANS APP
Environmental Science _________ element had guided the earlier navigators to keep them on right path. Magnetite Uranium Carbon Coal Magnetite Uranium Carbon Coal ANSWER DOWNLOAD EXAMIANS APP