yes..it is a cliche
an apple a day keeps the doctor away is a proverb but it must not be literally taken because one apple is not enough for a doctor per day
it has a thought hidden and it's not about eating apples
<h3>Emotions: A strong feeling deriving from one's circumstances, mood, or relationships with others.</h3>
<h3>Being Emotional: When you're emotional, you're feeling lots of feelings, or emotions: happy, sad, afraid, lonely, mad. An emotional speech makes you stand up and cheer. An emotional movie tugs on your heartstrings.</h3>
<h2>Hope it helps you </h2>
Answer:
Pollution is controlled by unleaded petrol
Explanation: