When was Montreal Protocol signed?

An international treaty on ozone depletion known as Monetreal Protocol was signed at Montreal n the year

What is Montreal protocol?

Montreal protocol refers to:

What is Kyoto protocol?

Kyto-Protocol was endorsed at

Kyoto Protocol signed in ............. .

Use the principle of mathematical induction to prove that for all n in N sqrt(2+sqrt(2+sqrt(2+...+...+sqrt2)))=2cos ((pi)/(2^(n+1))) when the LHS contains n radical signs.

Which protocol has been signed to minimize green house effects?

Name the protocol associated with reduction of greenhouse gases.

Where would you look for signs of secondary succession? When does secondary succession end?