Give effect of CFC on ozone shield.

Ozone is:

Give the effect of air pollution on human health.

Answer the following : What adverse effect does ozone depletion have ?

Give the effects of water pollution on human health.

Write a short note on magnetic shielding.

Green house effect is boon or bane? Give your opinion.

Give scientific reasons: Even though the magnitudes of action force and reaction force are equal and their directions are opposite, their effects do not get cancelled.

Explain the effect of temperature on resistance?

Explain the effect of temperature on resistivity.

Write a note on ozone depletion.