Author Question: Some scientists believe that Earth is in a comparatively warm part of an ice age. Indicate whether ... (Read 59 times)

segrsyd · **on:** Jul 13, 2018

Some scientists believe that Earth is in a comparatively warm part of an ice age.
Indicate whether the statement is true or false

Question 2

The primary source of water vapor and carbon dioxide for Earth's early atmosphere was most likely ____.
A) photosynthesis
B) ozone reactions
C) outgassing
D) nitrogen chemical reactions