Please help the question is highlighted

What is a coast of using technology to transport water? a. cities can be built in otherwise uninhabitable areas. b. crops can be irrigated and grown in new areas. c. floods can be averted in flood-prone areas. d. freshwater supplies can be depleted in an area.

Which term describes a normal value for something in the body? a. homeostasis b. set point c. feedback loop d. integration center

24. how are vaccines used to keep people healthy?