Read the following experiment and determine the independent variable, dependent variable, constant variable, and control variable. amber run an experiment where she continues adding different amounts of water to the same acid and pours it on chalk. she does this six times and each time she adds more water.

The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures