National Center
National Center
distance mexico reach reduced travel waves
It is a long distance that the seismic waves have to travel before they reach Mexico City, ... and that reduces the amplitude of the waves. It is very much reduced at this distance.
dropping quite
It has been dropping quite dramatically, ... It's one of the factors.
intensity violence
The intensity of this violence is on the way down,
chemistry pollution understand
In the future, pollution in the tropics will increase, so we'd better understand it now. The chemistry in the tropics is severely under sampled.