Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bush fires. This is considered to be an important topic of the 21st century due to the implications land degradation has upon agronomic productivity, the environment, and its effects on food security.
prepress. 1  of or relating to all operations other than the preparation of the press that are required in preparing a job for printing. ( 2 of a proof) pulled from a finished plate prior to or in lieu of a press proof.
âPrEPâ stands for Pre-Exposure Prophylaxis. The word âprophylaxisâ means to prevent or control the spread of an infection or disease. The goal of PrEP is to prevent HIV infection from taking hold if you are exposed to the virus. This is done by taking one pill every day.