1. is D. Scientific method cannot be replaced.
2. is B.
3. is B as well.
Answer:
The answer is A. Cementing...
Explanation:
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Answer:
The answer is for your question is :
Explanation:
True
The maximum speed the mass can have before it breaks is 2.27 m/s.
The given parameters:
- <em>maximum mass the string can support before breaking, m = 17.9 kg</em>
- <em>radius of the circle, r = 0.525 m</em>
The maximum speed the mass can have before it breaks is calculated as follows;

Thus, the maximum speed the mass can have before it breaks is 2.27 m/s.
Learn more about maximum speed of horizontal circle here:brainly.com/question/21971127
Answer:
Temperature
Explanation:
Heat only flows from one point to the other due to the difference in temperature.