7271. Science has revealed the mysteries of nature to man.

✅ The correct answer is option B.
Released : allow or enable to escape from confinement; set free.

Disclosed : make (secret or new information) known.

Opened : move (a door or window) so as to leave a space allowing access and vision.

Cleared : easy to perceive, understand, or interpret.

Revealed : make (previously unknown or secret information) known to others.

Synonym of Revealed is Disclosed