Rock that forms from particles put down by water or wind is igneous rock

How is the carbon cycle related to global warming ?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit