They use the directions found in DNA to make Proteins & Polypeptides.
I believe that the youth movement originated with the baby boomers, the huge generation born after the world war II. By 1970, 58.2 % of the population in America was under the age of 35 years. The economic boom of the 1950s meant more families could afford to send their children to College. College life gave the young people a sense of freedom and independence. It was on college campuses across the nation that youth protest movements began and reached their peak.
Downwelling topic should be read by Pedro to understand the phenomenon.
Explanation:
The sinking and accumulation of high density material beneath the material of low density is the process of Downwelling. One such example is of- the saline water lies beneath the freshwater. It takes place in the oceanic anti-cyclonic areas where surface convergence is created.
It causes ventilation in oceans and helps in facilitating aerobic respiration in different organisms by bringing surface oxygen dissolved in water. This condition is the reason behind the survival of aerobic organism under water.