Question

Anu blew hard on a mirror surface .She observed that the mirror became misty because of tiny water droplets that
formed on the mirror. What can she conclude from this
activity?
(A) Carbon dioxide is given off when we exhale.
(B) Oxygen is given off when we exhale
(C) Water vapours are given off when we exhale.
(D) None of these
​

Answer 1

Answer:

Carbon dioxide is given off when we exhale.

Answer 2

Answer:

observed that the mirror became misty because of tiny water droplets that

formed on the mirror. What can she conclude from this

activity?

(A) Carbon dioxide is given off when we exhale.

(B) Oxygen is given off when we exhale

(C) Water vapours are given off when we exhale.

(D) None of these

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