which one of the following groups are decomposers a. algae b. protist c. fungi d. green plants e. photosynthetic bacteria

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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