Answer: The corret DNA sequence is ACUGCUAGCAU.
Explanation: The common mistake that they make is, they forget to replace thymine with uracil as a base pair of Adenine. During DNA transcription Thymine is replaced by Uracil in production of messenger RNA. Uracil is a de-mythylated form of thymine and requires less energy to produce.
The primary difficulty is the fact that we do not know all of the organisms that currently exist in the world along with those that existed in the past.
High water floods &- volcanic eruptions