A. and B. Hope this helped
its to hard but you can answer this
<span>The end product of the radioactive decay of uranium is a non-radioactive lead isotope.
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Answer:
A high specific heat of a substance means that a large amount of heat is required to raise the temperature of the substance. ... Water covers around 70% of the Earth's surface and its high specific heat plays a very important role as it is able to absorb a lot of heat without a significant rise in the temperature.
