Well, after 1 half life, depending on whatever the amount is, 50% of the original content and or remaining content will undergo decay, as it is unstable.
Original content - 200g
1 half life - 100 g
2 half life - 50 g
3 half life - 25 g
The correct solution would be D. 25 g.
The answer is that they are a source of clean energy. This is because the renewable resources do not produce environmentally hazardous emissions during the production of energy.
Evaporating? But that’s with a boiling liquid