Compare the reaction times for voluntary vs. involuntary activation of the quadriceps muscle. what might account for the observed differences in reaction times? outline what has to occur in the body for each reaction to occur. refer to your drawing from step 23. information from the flow chart you created in activity 2.2.1 might also be

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