Environmental Science The blueness of the sky is mainly due to: The presence of water vapor Absorption of blue light by the air The scattering of sunlight by air molecules Emission of blue light by the atmosphere The presence of water vapor Absorption of blue light by the air The scattering of sunlight by air molecules Emission of blue light by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which gas is likely to be reduced in the atmosphere by deforestation? Carbon dioxide Oxygen Nitrogen Sulphur dioxide Carbon dioxide Oxygen Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Commonly used radioactive isotopes in scientific research 32 P 125 I 14 C all of these 32 P 125 I 14 C all of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science If the average temperature of the sun increased, the wavelength of peak solar emission would: Shift to a longer wavelength Remain the same Impossible to tell from given information Shift to a shorter wavelength Shift to a longer wavelength Remain the same Impossible to tell from given information Shift to a shorter wavelength ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The best way to check soil erosion is by providing adequate trees and Sand Water Manure Grass cover Sand Water Manure Grass cover ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Black lung disease is associated with Farmers Sweepers Coal miners Textile industry workers Farmers Sweepers Coal miners Textile industry workers ANSWER DOWNLOAD EXAMIANS APP