Which statement about paragraphs is  accurate?                 a.  they always contain a topic sentence.      b.  they are always the same length.      c.  they are always focused on a main idea.      d.  they are always indented.

Igive brainliest based on the passage about louis pasteur, which statement is a fact? louis pasteur should have studied his laboratory animals more closely. louis pasteur was clever when he decided to inject nerve tissue from sick animals into healthy animals. louis pasteur knew it took about a month for signs of rabies to show up in a victim. louis pasteur was one of the greatest scientists who ever lived.