spotlight Write About It Helena works in the lighting crew for a theater . She needs to create a red on the stage . Kimi is a painter . He wants to create red paint for the background in a new painting . Use the terms primary color and complementary color to explain what color or combinations of colors each person must use . Explain any differences you note .

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Which of the following units is not an official si unit

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.