In a longitudinal wave, the motion of the medium is parallel to the direction of the wave. This means that the particles move left and right which in turn makes the other particles start to oscillate.
The UNIA founded by Marcus Garvey has a constitution which defines red, black, and green as the Pan-African colours: red representing the noble blood that unites all people of African ancestry, the colour black for the people, green for the rich land of Africa..
Africa is a beautiful and majestic land, rich with lush plant-life and magnificent animals. The animals play a huge part in African culture, and their symbolism can be found throughout countless pieces of art and historical accouterments. Each animal has a specific meaning and signifies a certain quality or characteristic.