How do the stars luminosity compare with their radii? "The brighter a star is

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

An x-ray is performed for pain in the left little finger. this is the initial encounter for this visit. the x-ray report shows a fractured distal phalanx that is dislocated. what icd-10-cm code(s) is/are reported?