toddwiley59 toddwiley59

13-02-2017
Biology

contestada

Which process is most responsible for the increase in early Earths atmospheric oxygen levels

Respuesta :

acolomps acolomps

13-02-2017

The Great Oxygenation Event- referred to as such because it increased Earth's atmospheric oxygen levels. This was caused by the evolution of photosynthesizing organisms releasing oxygen.

Answer Link

TimeMunkee TimeMunkee

12-09-2018

Photosynthesis is the correct answer.

Answer Link

Otras preguntas

A rock with no grains or a glass-like texture is formed in what environment?

The U.S. Maritime Administration estimated that the cost per ton of building an oil tanker could be represented by the model y=104,000/x+235 where y is the cost

Napoleon said: “When we fight, no matter in what country, it is a civil war we make.” Do you agree with him? If yes or no why? Use examples through to solidify

Todd swam his race in 26.785 seconds while Frank swam his race in 29.07 seconds. What was the difference in their times?

Please I need help!!!!!!

Tami read 12.0045 as "twelve and forty-five thousands". is she correct?

If you don’t understand a word or phrase you should just skip over it because it doesn’t matter. A T OR B F

what is the answer to this question?

A box of cereal states that there are 90 calories in a three fourths -cup serving. What is the unit rate for calories per cup? How many calories are there in

The weight of an object on the moon varies directly as its weight on earth. A person who weights 150.94lb on earth weighs 25.66lb on the moon. How much would a