Although it has a greater than sirius, rigel does not look as bright in the night sky.
a.
apparent magnitude
c.
black hole
b.
parallax
d.
absolute magnitude
select the best answer from the choices provided

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease