On-site sewage disposal systems are used in rural areas where houses are spaced so far apart that a sewer system would be too expensive to install, or in areas around cities where the city government has not yet provided sewers to which the homes can connect.
AFFECT is a verb, and means to influence or change.. EFFECT is a noun, and means the result, consequence, or change that is made. The two words are often confused, even moreso because effect can be a verb, rarely but noticeably used, specifically with the word change. If the word is used as an action, you will almost always use affect.
Affect is a psychological term for an observable expression of emotion. Description A person's affect is the expression of emotion or feelings displayed to others through facial expressions, hand gestures, voice tone, and other emotional signs such as laughter or tears. Individual affect fluctuates according to emotional state.