The development of an economically viable society is related to the availability of energy resources. the energy resources available the easier it is to build the foundations of the society.

The rate at which molecules water and oxygen can enter a cell is determined by the-

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%