HELP ASAP FOR BRAINLIEST! Which of these describes a nebula?

A. star much larger than the sun
B. star close in size to the sun
C. cloud of gas and dust
D. cloud of gravity and pressure

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

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?