Why do fish and frog produce more number of eggs

The type of fertilization in fish and frog is external fertilization i.e fertilization takes place outside the body. So the fish and frog produce a huge number of eggs each year to overcome the chance factor(sperm to come in contact with egg) and produce offsprings.

Explanation:

mutations are errors created during DNA replication. they are detected in a process called proofreading. once detected, DNA polymerase will reverse the replication step to correct the errors.

ans is C) DNA polymerase corrects them