Planting grass and trees would stop erosion.
The Chinese government bans the image of the Tank Man, together with some alterations of it, from being available on Google - so the correct answer is 0. It also bans any information about the Tienanmen Massacre and even google searches such as "today" which people also used to look for any information about it.
Answer:
Overexploitation of resources.
Explanation:
In this case it's overexploitation of natural resources, wich is a big problem nowadays. Using resources excessively results in damaged resources, that's called overexploitation.
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