Fact 1: Aairplane is used for moving people across bodies of water. Fact 2: Millions of people fly safely in airplanes every year. Given the two facts above, what transports millions of humans over water every year?
Pick from:
(i) helicopters.
(ii) gliders.
(iii) electricity.
(iv) engines.
(v) airplanes.
(vi) space ships.
(vii) Gravity.
(viii) rivers.
Answer:
(v)