A forecaster studying the climate of an area would find which of the following most helpful? A. average yearly precipitation

B. today's barometric pressure

C. temperature changes in one month

D. how often natural disasters occur

In a floral arrangement, the focal area is often

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Nonpoint source pollution is difficult to control because it