This toy looks like a dog and can move, but it is a robot. What characteristics are missing to make it alive?

Where can i find naap lab answers sheet/key?

What is the value of keq for the reaction expressed in scientific notation?

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.