Answer:
1. MAYNILA
2. MANUEL L. QUEZON
3. CORREGIDOR
4. AMERIKA
5. HEN. DOUGLAS MC ARTHUR
If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.
Thus, A would be the correct answer choice here.
B
E- Waste is basically polluting the planet
This answer is true.
If there is so much lettuce in the world that it can be had very easily in any venue, then the monetary value of the lettuce is diminished because it is so easily had.
This would be the atomic mass. Hope this helps!! :)
