Filter out iron and reduce rotten egg odor without the use of chemicals. 1  Rated for continuous flow rates from 2.7 gpm to 476 gpm at 5 gpm/square foot.  Chemical free: no potassium permanganate, salt or chlorine.
Topic Sentences and Examples The main thing you need to know for writing paragraphs. Topic Sentences and Examples All body paragraphs of an essay need to start with a topic sentence and include an example. A topic sentence is a general statement about the topic that you are writing about. It answers the question in a broad way.
Topic sentences are not the only way to organize a paragraph, and not all paragraphs need a topic sentence. For example, paragraphs that describe, narrate, or detail the steps in an experiment do not usually need topic sentences. Topic sentences are useful, however, in paragraphs that analyze and argue.