When a substance is free from bacteria or microorganisms, that substance is described as being a) clean. b) inert. c) sterile. d) desanitized.

When a substance is free from bacteria or microorganism, that substance is described as being sterile.

Explanation:

Sterile or Sterility:

State of being free from all living microorganisms. In practice, usually described as a probability function, e.g., as the probability of a microorganism surviving sterilization being one in one million.

b) mutualism

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line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).