Nonsense mutations make stop codons. If the mutation is towards the beginning of a gene, then the protein that gets created will be cut short and not function properly. But if it was towards the end, there is still a chance that the protein will still be able to work.
Answer: C polluted water and soil can cause many deseases and side effect towards humans
Answer: Pretty sure its B
Explanation: When lithospheric plates move apart, it is called a divergent boundary. Mid-Ocean Ridges are found at divergent boundaries.
The other options don't make any sense as the answer.