i _ _ _ _ t
insect
i _ _ _ y
itchy
i _ _ _ _ t
invent
ef_ _ _ _ _ _ e
effective
s_ _ _ g
sting
p_ _ _ _ _ _ _ _s
poisonous
i_ _ _ _ _ _ _ _ y
improperly
p_ _ _ _ _ _y
properly
a _ _ _ y
apply
M_______________________
mosquitoes/ Mosquito
p _ _ _ _ _ l
painful
che_ _ _ _ _
chemical
l _ _ _ _
label
c_ _ t_ _ _
contain
What chemical is used in some bug sprays?
DEET
When did the bug spray invented?
In 1940s
