In multicellular organisms groups of cells that work together are called:.

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

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.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?