What are some of the causes of pandemics?
Select two answers.
Responses
polluted water
polluted water
insect-borne diseases
insect-borne diseases
vaccines
vaccines
greenhouse gases
insect-borne diseases
polluted water
Select two answers.
Responses
polluted water
polluted water
insect-borne diseases
insect-borne diseases
vaccines
vaccines
greenhouse gases
polluted water