A composite number, unlike a prime number, is represented by the product of two or more natural numbers.

Please calculate the quartiles of this data set.

Please read this guidebook and get information about the tourist spots.

He has a deep loyalty to his country.

Leucine is one of the essential amino acids that is not produced in the human body.

She confided a secret to me.

You must never show this secret key to anyone else.

This item is out of stock.

His moral conduct reflects his education.

His poor living conditions break my heart.