What is the general process in which molecules move from an area of higher concentration to an area of lower concentration?

a. osmosis

b. diffusion

c. active transport

d. endoplasmic reticulum

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

What is the inability of an individual or a society to achieve a minimum standard of living known as ?