Question

_________ (Sunscreens/ Moisturisers) are creams that protect us from harmful sunrays.

Answer 1

Sunscreens: The creams that protect us from harmful sunrays.

• Rays of the sun contain ultraviolet rays (UV-rays) which damage the skin.
• Sunscreens are the creams that are applied on the skin.
• They contain Titanium dioxide (TiO₂) which blocks the UV-rays by absorbing them and protect us from their harmful effects.

Moisturisers: The substances that help to retain the moisture when applied on the skin.

• Examples: Glycerol, Petroleum jelly.

Therefore, sunscreens are creams that protect us from harmful sunrays.