Question

Choose the correct option


. 1. The speed of very slow moving things is usually expressed in a. cm/s. b. km/hr. c. km/min.



2. Density of air is a. 2 kg/m³ b. 1.20 kg/m³ c. 2.10 kg/m³.​

Answer 1

1. b option is correct

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Answer 2

Explanation:

1. Option a (I think)

2. Option b