Answer:
C. it causes the protons to repel each other.
Answer:
2,2 g/cm^3
Explanation:
According to your table, the platinum has 21,5 g/cm^3, and gold 19,3 g/cm^3
Doing the diference:
Porcentual expression:
D.Thermal expansion can cause the concrete to expand and crack.
Explanation:
Steel joints are often used in sections of concrete bridges because if concrete is used, thermal expansion can cause it to expand and in the process cracks.
- During a very hot day, as the temperature rises, materials begins to expand.
- Concrete does not have good expansivity
- When it expands, the structure breaks and cracks down.
- When metals like steel expands, when cooling they return back to their original position.
- this is why steel joints are added to bridges.
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Temperature and heat brainly.com/question/914750
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Answer:
bo
Explanation:
I dont know nothing cuz am that smart and yes am cool wait I have to wait 67 seconds am not done answering you questions I will be back in a few....
The answer to the questions is acids