Which Is the Most Accurate Statement About the Ecosystem Health

Which is the most accurate statement about the ecosystem health component of One Health?

A) Agricultural practices do not affect the health of humans.
B) Climate change is expected to expand the range of mosquitos and other vectors that transmit disease.
C) Human interventions that alter the ecosystem have consistently had negative impacts on human health.
D) The impacts of global movements of human populations were of little importance to human health until the 20^th century.