The sun is an average sized star. most of the other stars in the galaxy are approximately the same size as the sun. why do the other stars in the galaxy appear so small in the night sky?

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.