Water that contains salt is called brine you can always tell you are close to the ocean because you can smell the brine and hear the sea gulls.
The best and most correct answer among the choices provided by your question is the fourth choice or letter D.
The most effective thesis sentence from the given choices is: <span>Valuable lessons are important in life.</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!