C. Mechanical, because temperature can cause solid objects to expand and contract, causing rocks to split apart.
Answer:
v = 10 m/s
Explanation:
Given that,
Distance covered by a sprinter, d = 100 m
Time taken by him to reach the finish line, t = 10 s
We need to find his average velocity. We know that velocity is equal to the distance covered divided by time taken. So,
v = d/t

Hence, his average velocity is 10 m/s.
There are approximately 3 different types of atoms that are present in one molecule of aluminum hydroxide, AI(OH)3.
Answer: 1.6Hz
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