The H-R diagram is a comparison between: O A star's size and distance from the Sun
O Astar's static levels and its brightness
O Astar's life span and its size
O Astar's absolute magnitude and temperature

The answer is i believe low birth rights.hope my answer is the one you are looking for : )

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

Ibelieve its c.  that to me seems like the closest answer