Why is a pinhead sometimes used as an analogy for the early universe? a) matter was destroyed during the big bang. b) at time zero all matter was metallic. c) at time zero all matter was contained in a very small volume. d) matter was rapidly dispersed by the big bang.

How do living things obtain phosphorus

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells