What would she see if there had been salts dissolved in the colourless , clear liquid?

What type of reaction is zn + cucl2 → cu + zncl2?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Nonpoint source pollution is difficult to control because it