Which of the following is an example of a benefit of a flooded river? A. Burial and uprooting of plants

B. Removal of leaves from tall trees

C. Deposition of nutrients in the surrounding soil

D. Decreased formation of habitats for organisms

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

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

What are potential sources of error in marta’s experiment