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.
A preposition is a word such as after, in, to, on, and with. Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence. They describe, for example: the position of something: