Data

Copy and paste the text below. It is read-only. Select All

perpetual 1. lasting or seeiming to last forever or for a long time ; continuous resourse 1. a supply that can be used when there is a need 2. skill in dealing with difficult situations 3. able to deal wtith difficult problems substitute 1. to replace one thing or person for another 2. something or someone that replaces another 3. acting in place of someone or something else sustain 1. to keep up; to support 2. to suffer ; to undergo vital 1. necessary for continued life or prosperity 2. full of lively spirit 3. of the greatest importance