alfonsocrespin81 alfonsocrespin81
  • 13-04-2021
  • Chemistry
contestada

What two processes contributed oxygen to earth’s second atmosphere?

a.photosynthesis and volcanism
b.volcanism and weathering
c.weathering and rainfall
d.photosynthesis and photolysis

Respuesta :

lillyjohnson1423 lillyjohnson1423
  • 13-04-2021
I’m pretty sure that it’s d. not 100% sure tho
Answer Link
albert1406g
albert1406g albert1406g
  • 17-03-2022

Answer:

photosynthesis and photolysis

Explanation:

I took the test.

Answer Link

Otras preguntas

What is the name of the biome in which you can encounter an elephant (in natural environment of course)
A car advertisement states that a certain car can accelerate from rest to 70km/h in 7 seconds. Find the car’s acceleration in m/s.
Why do many different types of proteins exist even though there are a limited number of amino acids
How do I write the equation of the line when using (-4,18)?
What Countries Have limited and unlimited governments?
The position of a place north or south of the equator is measured in ?
in the diagram AB bisects FAE. BF=5x and BE=x2+6. Solve for x.
What does ethical dimension mean
List three examples of a primary economic activity?
can anyone help me with this problem ?