Over the last 300,000 years, what has
happened whenever carbon dioxide
increases in the atmosphere?

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

What is the difference between external & internal migration

The primary agent of contact metamorphism is