The skin covers your body,it protects the important organs
An acquired or hereditary disease of heart muscle, this condition makes it hard for the heart to deliver blood to the body, and can lead to heart failure, which is heart attack.
SO B IS THE ANSWER
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True, as pathogens include bacterium and fungi.
The answer to this question is positive reinforcement.
There are two types of reinforcements: positive and negative. While the definition of positive reinforcement is given in the question, negative reinforcement occurs <u>when the behavior increases because an aversive stimulus is removed. </u> Reinforcements are the basic concepts that govern the principles of <em>operant conditioning</em>, which was researched by Skinner.
