SEP Design Your Solution Biosphere 2 was an attempt to have humans live within a perfectly closed system, as a model for living on other planets. The first attempt
failed because the system began losing CO2, which was chemically reacting with
the exposed concrete walls. How would you go about designing a habitat that is a
closed system? Explain how matter and energy would flow within the system.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

What is the polyatamic ion of thiosulfate

Displacement is the slope of a velocity vs. time graph a. true b. false