explain the origin of the resistance to antibiotics by bacteria and then how these resistant bacteria are spread in the human population

idrk what you mean but i’ll just tell you how bacteria spread around

Direct contact occurs when an individual comes into contact with the reservoir via touching infected bodily fluid; sharing beverages containing infectious bacteria; being bitten by an insect or other animal that is carrying the bacteria; or inhaling bacterial particles, often emitted by sneezing or coughing.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

answer; i believe that the correct answer is (light);