Answer:
2. A
3.B
4.B
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The compound is sodium chloride
Answer to this question is C. Regarding the volume.
The answer is CH3CH2CH2CHO
Answer:
Speed of light
Explanation:
The value 3.0 x 10⁸m/s is taken as the speed of light.
It is a constant.
- It implies that light travels a distance of 3 x 10⁸ in just one second.
- This value is for the speed of light in a vacuum when there are not particles obstructing its movement.
- The speed of electromagnetic radiations in free space is also taken as the speed of light.
