All of the following will maintain healthy ears except a. avoiding exposure to loud music b. gently cleaning the outside of the ear c. getting one’s ears checked by a doctor d. not wearing ear pads when playing physical sports

D. not wearing ear pads when playing physical sports.

Explanation:

A person should wear ear pads before taking part in a sport activity, which can cause external or internal injury to ear and it's membrane. Sports activity like shooting can cause pain due to loud sound produce due to firing of a projectile. This can affect the hearing ability of the ear.

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