Select the word from the list that best fits the definition
apparent movement of a star used to measure its distance from earth
parallax
light-year
main sequence
h-r diagram
white dwarf
fusion
elliptical galaxy
barred spiral galaxy
irregular galaxy
milky way galaxy

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service