In India it is found recently that incidence of Malaria is increasing because

+1 vote
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asked Dec 10, 2016 in General Science by challenger (13,790 points)
(a) The mosquitoes have become DDT resistant

 (b) Of poverty in villages

(c) Of poor sanitary conditions

(d) On account of increase in population it has become impossible to maintain cleanliness everywhere

2 Answers

0 votes
answered Dec 10, 2016 by challenger (13,790 points)
(a) The mosquitoes have become DDT resistant
0 votes
answered Apr 5, 2017 by Ravi kiran (680 points)
Option 1 . resistence development by the mosquitoes to the DDT
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