Gets ! what is the landform in the image? image of a large area of flat or gently rolling land with low relief dune hill lake plain

When analyzing tree rings, what do scientists assume a thin ring indicates?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent