Environmental Science Noise is measured using sound meter and the unit is decibel hertz sound joule decibel hertz sound joule ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Rainfall is measured by an instrument known as Lactometer Seismograph Rain gauge Nanometer Lactometer Seismograph Rain gauge Nanometer ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The best way to check soil erosion is by providing adequate trees and Water Grass cover Manure Sand Water Grass cover Manure Sand ANSWER DOWNLOAD EXAMIANS APP
Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Oxygen, hydrogen Hydrogen, oxygen Nitrogen, oxygen Nitrogen, water vapor Hydrogen, helium Oxygen, hydrogen Hydrogen, oxygen Nitrogen, oxygen Nitrogen, water vapor Hydrogen, helium ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following is the most stable ecosystem? Desert Mountain Forest Ocean Desert Mountain Forest Ocean ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The crucial species that determine the ability of large number of other species is termed as _________ species. Important Keystone Significant Crucial Important Keystone Significant Crucial ANSWER DOWNLOAD EXAMIANS APP