What does the suffix -mer mean, in, for example, polymer?

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 of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

What substance acts to prevent sudden ph changes in bodily fluids?