kweensara88 kweensara88

13-11-2020
Biology

contestada

Why wasnt Oxidation chemical weathering common 2 billion years ago

Respuesta :

xyz0105 xyz0105

13-11-2020

Answer:

Oxygen levels were a lot lower then

Explanation:

2 billion years ago was before the Great Oxidation Event. The first oxygen-producing cyanobacteria did not exist before then. Without oxygen, oxidation cannot be common.

Answer Link

Otras preguntas

. Which represents the hierarchical organization of a multicellular organism, from least complex level to most complex level? a. cell, organ, organ system, tiss

Charlotte watched 1/4 of a movie in the morning, and she watched some more at night. By the end of the day, she still had 1/3 of the movie left to watch. How mu

help pleaseeeeeeeeeeeeee

From the top of a tower 120m high the angle of depression of a stone on the ground is found to be 30°. How far is the stone from the foot of the tower ?

show that √(1-cos A/1+cos A) =cosec A - cot A

When people are attracted to an area it becomes densely populated. Factors that influence this are: a. Temperate climate b. Fertile land c. Fresh Water d. All o

The radius of a circle is 7 cm. Its circumference is ______.(Take π=22/7) a) 22cmb) 44cm c) 66cm

Hi, just want to let you guys know, whoever is reporting everysingle one of my questions, please stop. If I did something to you, please tell and we can set it

what is your best educational story?

How did democratic ideas develop in Europe explain?