Which change in a limiting factor would increase the carrying capacity for earthworms on the ground of a mixed-oak forest? a. increase in the fern population size b. decrease in the ant population size c. increase in the grass population size d. decrease in the ovenbird population size

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.