Will upvote 5 times if you
all of the following are areas of science except

a) biology, the study of life
b) chemistry, the study of matter
c) astrology, the study of horoscopes
d) astronomy, the study of the universe

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.