Dams create steady water and power , but they do cost a lot and flood land__

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other