In both Love Canal and Flint: All of these choices are correct.
it took a while for anyone to believe the residents that there was a problem,
water pollution caused health problems.
the pollution was the result of human negligence.

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

. the sierra madre fault zone of southern california

. the san andreas fault california