Which would best explain how tobais contracted mononucleosis

Tobias drank from a water fountain that was contaminated.

Explanation:

Infectious mononucleosis is a disease caused by a virus and is also known as kiss disease. The virus that causes the disease is transmitted through saliva, so it is most often transmitted by kissing, but it can also be transmitted by sneezing, coughing, using the same cup or cutlery with an infected person.

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.