Answer: C polluted water and soil can cause many deseases and side effect towards humans
Your answer is A. Flowers attract and fruits spread the seeds because animals eat them.
Answer: frameshift mutation
Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.
