Which of the following is not one of the three main groups of aquatic life? a. benthos b. plankton c. pelagos d. nekton

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

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast

What does the number 18.9984 represent in the image?