Which of the following best describes the Earth's movement around the sun? A)The Earth is closer to the sun in Summer than in Winter.

B)The Earth moves in a circular pattern around the Moon

C)The Earth's axis moves back and forth, resulting in different seasons

D)The Earth moves in an elliptical orbit around the sun

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?