All but one action will increase the accuracy of a scientific experiment. it is a) increasing the number of trials. b) decreasing the number of participants. c) having several doctors do the same experiment. d) practicing the procedures before doing the experiment.

What evidence for the age of the earth is indicated by the fact that sedimentary rock is found on mountain tops? that the earth has expanded outward from water beds that mountains formed first before anything else that some force lifted the rocks from the water the earth is not very old and has not had time for many rock layers to form