Heat transfer by radiation a) is not possible from human beings to their environment. b) does not occur from light bulbs - they are too bright. c) does not need any matter between the heat source and the heated object. d) none of the above

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

the answer is cell division : )

answer/// wohler;