Use the drop-down menus to identify which of these stars is the smallest, which is the largest, and which is in the middle. Supergiant: Neutron star: White dwarf:

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 of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

You see a white marker with an orange circle and black lettering. what does this marker tell you