Which is a force that holds atoms together Chemical bond
electron shell
valance electron
Chemical formula

What are chlorofluorocarbons made of

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.