Environmental Science The aurora is produced by: Burning oxygen caused by the intense sunlight at high altitude Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Scattering of sunlight in the upper atmosphere Reflections of sunlight by polar ice fields Burning oxygen caused by the intense sunlight at high altitude Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Scattering of sunlight in the upper atmosphere Reflections of sunlight by polar ice fields ANSWER DOWNLOAD EXAMIANS APP
Environmental Science When number of food chains is interlocked this is called food link pyramid food web food chain food link pyramid food web food chain ANSWER DOWNLOAD EXAMIANS APP
Environmental Science CFC releases a chemical which is harmful to ozone is fluorine chlorine N2O SO2 fluorine chlorine N2O SO2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A river with high BOD value is highly productive none of these highly polluted highly clean highly productive none of these highly polluted highly clean ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The transfer of heat by molecule-to-molecule contact is: Convection Radiation Conduction Ultrasonic Convection Radiation Conduction Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following processes acts to remove carbon dioxide from the atmosphere? Deforestation Photosynthesis Lightning Burning fossil fuels Deforestation Photosynthesis Lightning Burning fossil fuels ANSWER DOWNLOAD EXAMIANS APP
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