In some areas, people are concerned about running out of fresh water. Which statement describes the least expensive way to solve this problem? A. Make Canals to move water from one area to another.
B. Decrease use of water to match the rate of aquiferrecharge.

answer; /// i do believe the correct answer is (

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

links? do you have a link? i don't see anything?