Explain what the angel could symbolize to the activists and their mission in Fannie Lou Hamer Song

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.