21.
Lead poisoning

22.
A heat transfer process in the atmosphere that depends upon the movement of air is:

23.
The method of simultaneous integration of trees with agricultural crops is called

24.
Utilisation of natural resources in moderate manner to remaining something for the next generation is termed as

25.
The ratio of the mass of water vapour in a given volume (parcel) of air to the mass of the remaining dry air describes the:

26.
Which of the following is the best indicator of the actual amount of water vapour in the air?

27.
If the sun suddenly began emitting more energy, the earth's radiative equilibrium temperature would:

28.
If the average temperature of the sun increased, the wavelength of peak solar emission would:

29.
When the air temperature increases, the saturation vapour pressure will:

30.
As the air temperature increases, the air's capacity for water vapour: