What are the harmful effects of drinking alcohol?

What are the harmful effects by SO_2 ?

Give three harmful effects of friction.

What is green house effect?

What is inert pair effect.

What is inert pair effect?

Write the harmful role Fungi.

What is the effect of decreasing on the molar conductivity of a weak electrolite.

Write a short note on ultraviolet rays. Describe how it in large quantities has harmful effects on human.