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 the words which are used to connect the different nouns, pronouns and phrases in a sentence. It functions to introduce or precede the word or phrase to be connected, called the object of the preposition. The preposition usually indicates the relation between the words it is connecting.