What falls in the gray area between living and nonliving things?
a. bacteria
b. mold
c. virus
d. yeast

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

In what way are innovations in technology and forms of goverment alike

Which theory of color vision most accurately describes the process of color vision at the level of the retina?