In studying layers of rock, which statement is normally true? A. The older layers of rock are beneath the newer layers.

B. The newer layers of rock contain no fossils.

C. The older layers of rock are above the newer layers.

D. The older layers of rock contain the newest fossils.

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.