Here are some of their achievements:
- theory of radioactivity
-discovery of a new element, polonium
-discovery of another element, radium
- developing new ways of separating radioactive isotopes
-discovery of nuclear energy ( by Pierre and one of his students)
Answer:
Most whetstones have both a "coarse-grind side" and a "fine-grind side"—start with the coarse side if your knife is especially dull, then repeat the process on the fine-grind side. If you already sharpen your knife yearly and hone it regularly, you can go straight to the fine-grind side.
Explanation:
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Answer:
I think D will be.
Explanation:
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Answer: Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.
Explanation:
It is 1142 km and 583.07 meters that is 710 miles
