Which sentence uses comparative or superlatives correctly?

covert: hidden or secret

candid: truthful and straightforward

what i get from these phrases is covert means undercover or underground and that's where the flower is in april. on the other hand, may is the month where flowers start to bloom and thats the reason why candid is being used as a word to describe the blossoming period of a flower.

hope this answer you.

citizens are given 25 years of life to prove their worth to society; if they fail to do great things

after the moon goes from a full moon it turns into a waning gibbous moon.

here's where my answer came from. i hope this .