There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves. The animations below demonstrate both types of wave and illustrate the difference between the motion of the wave and the motion of the particles in the medium through which the wave is travelling.
Updated:Sep 16,2015. Heart disease is the No. 1 killer for all Americans, and stroke is also a leading cause of death. As frightening as those statistics are the risks of getting those diseases are even higher for African-Americans. The good news is, African-Americans can improve their odds of preventing and beating these diseases by understanding the risks and taking simple steps to address them.
About East Africa Regional. Through the East Africa regional program, USAID works across borders to strengthen food security, improve economic growth, prevent conflict, and improve health systems, with a particular focus on fighting HIV/AIDS.bout East Africa Regional. Through the East Africa regional program, USAID works across borders to strengthen food security, improve economic growth, prevent conflict, and improve health systems, with a particular focus on fighting HIV/AIDS.