Solved

What Two Gases Were Most Abundant on Early Earth

Question 18

Multiple Choice

What two gases were most abundant on early Earth?

A) O₂ and CO₂
B) N₂ and H₂
C) CO₂ and H₂
D) CO₂ and N₂

Related Questions

Q13: Microbial _ studies the diversity of microorganisms

Q14: What type of methods are used in

Q15: Systematic analysis now commonly includes _ to

Q16: A gene for a specific trait may

Q17: The earliest photosynthetic microbes, before the cyanobacterial

Q19: The establishment of DNA as the genome

Q20: Horizontal gene transfer<br>A) is so rare over

Q21: Molecular sequencing suggests that mitochondria arose from

Q22: Evolution is driven by<br>A) random mutation.<br>B) novel

Q23: A type strain is the first strain