Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
<h3><em>All Tutsi men, women and children were no longer citizens of a nation but cockroaches</em></h3><h3><em></em></h3><h3><em></em></h3><h3><em></em></h3><h3><em></em></h3><h3><em>In the years leading up to the 1994 Genocide against the Tutsi the government used all its propaganda machinery to spread hatred of the Tutsi.</em></h3>
Sustainable use practices are practices that are used in the use of resources for example that seek to maintain the longevity and continuance of the potential use of that resource. In regards to trees and logging the sustainable use of wood or paper would seek to continue the longevity and vitality of the forests by not overusing these products. Sustainable use will use a resource at a rate that will allow for natural replenishment or incremental use of the resource to prevent harm to the environment and allow the resource to be used far into the future.
