Question

select all that apply. select all items that describe kinds of externalities. unclean water from fertilizers spillovers from medical research secondhand smoke air pollution from trucks

Explanation:

Externalities are the effects of an economic activity on third - parties. Undean water from fertilizers is a negative environmental externality. Spillovers from medical research can be positive externalities. Secondhand smoke and air pollution from trucks are negative health and environmental externalities.

Answer:

• unclean water from fertilizers
• spillovers from medical research
• secondhand smoke
• air pollution from trucks