Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
Fractional Crystallization
The FTA stands for Free Trade Agreement. Canada and the United States established this trade agreement in 1988.
In 1994 Mexico joined this FTA and was superseded by the North American Free Trade Agreement (NAFTA). NAFTA came into force in 1994. Its purpose was to <span>create a trilateral </span>trade bloc<span> in </span>North America<span>. </span>
In 1998, Canada and the United States extended FTA to form NAFTA, hich established a free-trade zone with Mexico.
55°. If the intersection in the middle is 90°
I think the answer is D:all of the above.