Which does an increase in eutrophication indicate to scientists studying a body of water? о
A. a decrease in pollutants from farm runoff
d
B. an increase in fertilizer runoff
C. an increase in the health of the body of water
O
D. an increase in oxygen levels in the body of water

dude i stopped reading after the first 7 words but hey you seem real smart thats awesome have a great day

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

if you know your abc's you should be able to get your answer or just use google