Define three common terms used in toxicology.

Define three common terms used in toxicology. In addition evaluate how media influence (including social media) may impact present situations in this field.Your response should be at least 300 words in length.2)Differentiate between a toxic chemical toxic substance and toxic agent.Your response should be at least 300 words in length.3)Identify and discuss three early toxicologists who made the most significant contributions to the progression of toxicology and explain why you chose them.Your response should be at least 300 words in length.4)Identify a type of epidemiology study that might be used to evaluate a current (within the last 6 months) health concern that has appeared in the news. Provide a short explanation of how the identified study would be set up to evaluate the health issue.Your response should be at least 300 words in length.***************************See attached study guide**********************************