Who or what manages the economy and determines production in a planned economy? a. a tribal leader b. the forces of supply and demand c. an elected committee of experts d. the government select the best answer from the choices provided. a b c d

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

The english language is part of which language family? a. alatic b. dravidan c. indo-european d. khoisan

Which statement best describes how chemical equations demonstrate conservation of mass?