Answer:
Because it is a vector quantity, it has a direction too such that derived unit is made up of two or more fundamental units. That is mere and second. That is why it is called as a derived unit as its unit is metres per second.
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Answer:
A common misconception is that scientific theories are rudimentary ideas that will eventually graduate into scientific laws when enough data and evidence have been accumulated. A theory does not change into a scientific law with the accumulation of new or better evidence.
Explanation:
Answer: by eating meat from animals...?
Explanation: Well lions do actually eat meat so whenever they eat meat I'm guessing they get whatever they need. I'm still learning so sorry if I am wrong.
The nucleus and Its structures