Use the following models to classify substances based on composition. a) only picture b is a pure substance b) only picture d is a pure substance. c) picture a and b are examples of pure substances. d) pictures b and d are examples of pure substances

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What is another way to determine mass times acceleration?