Which of the following is most likely to be an observation made by an anatomist? a dna repair mechanism restores the original sequence after a mutation. sensory receptors convert their information into impulses sent to the cns. specialized cells in the epidermis produce the dark pigment melanin. the nervous system is composed predominantly of neural tissue.

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.