I think it's radioactivity. From what I learned in 5th grade, the hardness of a mineral can be a major indicator, as a diamond is the strongest mineral, and talc is extremely easy to break down (I think it's Talc at least). A quick google search showed no mention of radioactivity. Also radioactivity just doesn't sound right compared to the other answers.
It's been a while since I've gone over it so I could be wrong.
Answer:
the frequencies of the brown and green alleles will not change. the frequency of the brown allele will increase. this causes the population to evolve due to gene flow. this causes the population to evolve due to genetic drift.
Number 2 is the right answer
hope it helps, murdle:)
Lol whats the question? im happy to help lol
