Answer:
1) types of music - independent
performance in doing homework - dependent
person - control
2) period of time - control
number of flowers - dependent
types of rose bushes - independent
Explanation:
A. Natural Selection. This is because the weeds that are not resistant to it die out before they can reproduce, but the resistant ones grow to maturity and then reproduce, passing down the resistance gene. Over time, the resistance gene would become a normal thing in weeds, while the non-resistant gene would not exist anyone, since the gene could not be passed on.
