1) Acid rain is rain or any other form of precipitation that is unusually acid. It is very harmful to plant and animal life.
2) Mirage is a naturally-occurring optical illusion in which light rays are bent to produce a displaced image of distant objects or the sky.
3) Dry ice is solid Carbon dioxide.
4) Autopsy is an Examination of a corpse to determine the cause and manner of death.
5) Metasearch engines enable users to enter search criteria once and access several search engines simultaneously.
6)Pacemaker is a medical device which uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating of the heart.
7)Googly is a type of delivery bowled by a right-arm leg spin bowler.
Prepared by qblp research team with help of wikipedia.
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