Biology, 04.07.2019 10:30, pollywallythecat

Why are astronomers looking for evidence of ancient water on mars?

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Biology, 21.06.2019 19:50, Chapo3760

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

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Biology, 21.06.2019 22:00, acostasilvana1osw8tk

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.

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Biology, 21.06.2019 23:30, gabbystar517

What are some possible short and long term medical concerns for crew members on longer space exploration trips

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Biology, 22.06.2019 06:00, Obeilskzexal

What element is able to combine with itself and hydrogen to form large molecules ?