If you found absorption arising from __________ in the spectrum of a planet,you would know that it probably contains some form of life.
A) oxygen
B) methane
C) water vapor
D) Any of the above

Question

Quizplus · Accepted Answer

Absorption arising from oxygen, methane, or water vapor in the spectrum of a planet indicates the presence of an atmosphere, which is a prerequisite for life as we know it.

If You Found Absorption Arising from __________ in the Spectrum