True or Flase :Cotton is a natural polymer.

What are polymers?

Teflon is an _____ polymer.

True or Flase :A lot of plastic pollutes our environment.

Bt cotton is resistant to

'Bt Cotton''

Consider the statement P(n):9^(n)-1 is a multiple of 8, where n is a natural number i. Is P(1) true? ii. Assuming P(k) is true, show that P(k + 1) is also true.

Analogy: Cotton:natural : : polyester:----