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
People usually bathe in it as spiritual rituals.
The answer is A
i did the test and i got it right
Answer:
Explanation:
So we can use them for further research in the future
A permeable rock breaks down quicker than a rock that is not so permeable because there is less space for anything (i.e. water) to get in the not so permeable rock in order to widen the holes and ultimately break the rock. On the other hand, a permeable rock is full of holes and will break down because of the many holes available to widen.
