andreash4005 andreash4005

18-01-2022
History

contestada

What was the "oxygen revolution," which took place 2. 3 billion years ago?.

Respuesta :

mar6493 mar6493

18-01-2022

Answer:

Short summary:

The "oxygen revolution" was the rapid increase in atmospheric oxygen that took place 2.3 billion years ago, with the origin of plants, immediately preceding the origin of animals.

Answer Link

Otras preguntas

7a-5b=28 A (-2,-3) B (0,4) C (4,0) D (-3,-2)

Which represents faster growth, a growth factor of 2.5 or a growth rate of 25% ?

is absent a double consonant repeated

Answer the following questions using words from your vocabulary list. Be careful with the spelling and accent marks so you'll get an accurate score. Include the

x - (4x - 7) = 5x - (x + 21)

During the Cold War, the U.S government developed various strategies to protect citizens during an attack. Which of the following Cold War protections are still

Hitler’s economic persecution of Jews in Germany involved _____. prohibiting marriage between Jews and non-Jews teaching “racial science” courses in schools put

How do I find the perimeter of a triangle with sides 3ft 8in., 2ft 10in., and 4 ft?

MAJOR!!!!!!!!!!!!!!!!!! NEED A.S.A.P The formula for the surface area of a rectangular prism with a square base is SA = 2s2 + 4sh. What is the surface area of t

Physician who discovered arteries and veins