Why do many environmental agencies promote conservation of water even though a large portion of earth's surface is covered with water? 1) there may be a shortage of clean drinking water in the future. 2) they fear that all water on earth will be used up one day. 3) they wish to increase navigation in conserved water. 4) conserved water can be used to generate electricity.

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.