Q. CFCs are used in cleaners, working as a blowing agents in the

View solution

Q. What is amount of heat input needed to change temperature of a substance?

View solution

Q. Scientists predicted that at current rate of deforestation, world's rain forests will be vanished in

View solution

Q. DU stands for

View solution

Q. Since 1880s, earth's sea level has risen by

View solution

Q. Deuterium is a heavy isotope of

View solution

Q. Sonde is a device in atmosphere, obtaining information, such as temperature and

View solution

Q. What does Ozone demage?

View solution

Q. Ozone particles are scattered between 19 and 30 km up in the

View solution

Q. In 1990, concentration of carbon dioxide is considered to be responsible for causing

View solution

Q. Hot bodies emit more radiation than

View solution

Q. Process involved in wind passing over blades, converted into

View solution

Q. Lowest values of ozone, found under normal condition around the

View solution

Q. During 1990 to 2000, 60% of deforestation occurred in

View solution

Q. Short exposure to 'UV-B' radiations can cause the

View solution

Q. In 1987, Montreal protocol was passed to reduce emissions of

View solution

Q. Solar energy has greatest potential for providing clean and

View solution

Q. Chlorofluorocarbons are non-toxic, non-flammable and

View solution

Q. Ozone holes are first discovered in Antarctica in

View solution

Q. Aerosols, absorbing and emitting

View solution