What is the argument of aesthetics? (scientific literacy)

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

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.

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f