What is banking of roads? Why it is necessary ?

What is splicing? Why is splicing necessary in eukaryotic genes?

What is angle of banking ?

Which types of telescopes are orbiting around the earth? why it is necessary to put them in space?

Which fuels can be obtained by microbial processes ? Why is it necessary to increases the use of such fuels ?

Which type of telescopes are orbiting around the earth? Why is it necessary to put them in space ?

Friction is a necessary evil.

What is regelation? Why is it observed?

Use your brain power Why is balance or equilibrium necessary in a food web?

Answer the following question: Why is it necessary to safely store the pathogens of a disease against which vaccines are to be produced?

Answer the following question Why is it necessary for people to have their blood examined before marriage ?