Which compound is an arrhenius base?
(1) co2 (2) caso4 (3) ca(oh)2 (4) c2h5oh

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5