Can anyone help me eith this exercise pliz?​

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

As a small change in a person's dna can cause a genetic disorder

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun