Answer:
construction of dams
Explanation:
dams block water routes for migrating fish and create stagment sections that allow for breeding of bugs
Fossils tell u if something has been there or not and u study it in some classes or jobs
Weekly rather than every 3 days
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
