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.
Prepositions are words which link nouns, pronouns and phrases to other words in a sentence. Prepositions usually describe the position of something, the time when something happens and the way in which something is done, although the prepositions of, to, and for have some separate functions. Prepositions can sometimes be used to end sentences.