Author Question: A circular orbit would have an eccentricity of A) 0. B) between 0 and 0.5. C) between 0.5 and ... (Read 46 times)

segrsyd · **on:** Jul 27, 2018

A circular orbit would have an eccentricity of

A) 0.
B) between 0 and 0.5.
C) between 0.5 and 1.
D) exactly 1.0.
E) infinity.

Question 2

What are scientists' best guess(es) for the requirement(s) of life?

A) a source of materials (nutrients) B) energy to fuel the activities of life
C) liquid water D) all of the above