If a star is shown ti be 33.11 trillion killometers away , how many light year would that be

Which characteristics can be used to differentiate star systems? check all that apply.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse