Answer:
75 g
Explanation:
1 half life = 600/2 = 300g
2 half life = 300/2 = 150g
3 half life = 150/2 = 75g
<span>The answer should be Uranium. As tiny amounts of that (rods normally) can fuel a whole nuclear energy station for years.</span>
Answer:
Topographic maps generally shows Natural features such as Rivers and Lakes.
sometimes they also show some features made by humans like brodges, elevations etc.
<span>The answer is C. Earth movements can origin rocks to be intensely suppressed or clutched. As an outcome, the rocks are heated and put below unlimited pressure. They do not dissolve, but the minerals they cover are altered chemically, making metamorphic rocks.</span>