guys plz explain me this in a sheet of paper only i want
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A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt the normal physiology of a multicellular animal or plant. However, pathogens can infect unicellular organisms from all of the biological kingdoms.
A toxin is any poisonous substance produced by bacteria, animals, or plants.
Wind ranges from 2 to 5 beaufort, and start to blow in the afternoon till late at night. Therefore, by picking the most suitable surfboard and sail according to one's abilities and to wind conditions, proficient surfers can enjoy 4 to 5 hours of good surfing.
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