What type of star has an absolute brightness of 1 and a surface temperature around 7,500 °c? will make first answer brainiest ♡  supergiant  giant  main sequence  dwarf

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Agroup of organisms that changes over time is said to