Do you have a photo of your question
my guess is B. I am probably wrong
Explanation:
Compare and contrast a frameshift mutation and a single nucleotide substitution mutation in a DNA sequence encoding a protein. How many nucleotides would be inserted or deleted in each? How many amino acids in the protein sequence would be altered in each?
Trench
A long , narrow depression of the sea floor formed where a subdcting plate sinks into the mantle
Hope you get it!