it is true that to test the smell of a substance, partially fill your lungs with air and, while standing slightly back from the fumes, use your hand to waft the odors gently toward your nose.
<h3>What is the odor?</h3>
An odor basically caused by one or more volatilized chemical compounds, which are generally found in low concentrations and can be detected by humans and animals using their sense of smell.
An odor is also known as a "smell" or a "scent," and it can be either pleasant or unpleasant.
To test the aroma of an actual content, temporarily fill the lungs with air and, standing gently downward from the fumes, gently billow the odors toward the nasal passages with the hand.
Thus, the given statement is true.
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