History, 30.05.2020 18:00 76022sfox

Which argument about the relationship between DDT spraying and malaria is supported by the evidence?

The use of DDT became less effective in Sri Lanka as time went on.
The decision to outlaw DDT caused a resurgence of malaria in Sri Lanka.
The use of DDT is harmful to wildlife and has little effect on the spread of malaria.
DDT spraying successfully eliminated malaria from India and Sri Lanka.

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