what events happend first to last in order atmosphere(1),multicelluar animal, ocean of molecules, protobiont, colonial algae, multicellular plant, energy competition, chemotherapeutic prokaryote, anaerobic bacteria, unicellular eukaryote, atmosphere(2),rna, cyanobacteria, organic molecules, big bang,

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

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