Do you know what rights are? please explain your answer

Rights are those which fullfill our needs.

Rights can be classified into many types like fundamental rights, women's rights and child rights etc. Rights are also known as justice. Rights doesn't classify people according to the class, gender, caste etc. Rights and duties are Two sides of same coin. We need both rights and duties.

Hope it was helpful !

motivation

answer is b,

"the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be."

it was correct.