but when it reach to that point, I believe the water level must rise up alot.
4 z3 Z: D# @5 a公仔箱論壇Eventually, there will not have enough space for people to stand. tvb now,tvbnow,bttvb, S' {7 I/ t: _; u: P( k
Oxgyen supply will become a critical problem of building a 2000 floor building.
9 Q% M) w% M4 D/ k8 H% Rtvb now,tvbnow,bttvbWhen the Earth gets more crowded, the oxygen will not be enough to supply to all the man-kind.tvboxnow.com) a4 W2 V. |6 v7 O7 r
AT a result, I think human will never going to reach that point. |