amythorntonos9vuy amythorntonos9vuy

12-07-2017
Biology

contestada

Many scientists hypothesize that the development of organisms with which ability led to the collection of oxygen in earths atmosphere

Respuesta :

WateredDownChimp WateredDownChimp

15-11-2018

The correct answer would be photosynthesis

Why? - oxygen built up in the atmosphere after prokaryotes became autotrophic or became able to use photosynthesis.

Answer Link

Otras preguntas

The Supreme Court declared that segregation was unconstitutional in the decision of Brown v. Board of Education. Georgia fought against this ruling by A) appe

Summarize the six unratified amendments by completing the chart below

A student improved his score from 20 points on his first attempt to 22 points on his second attempt. By what percent did his score improve?

how much fencing would be required to fence a square field with an area of 118 sq.meters and 81 sq.decimetres

Write (3y)^2 without exponents

Potassium and iodine have formed a bond. Prior to this the potassium gave up an electron. It became a _____. positive ion neutral atom negative ion shared ion

If a substance has a temperature of absolute zero, what can you say about the kinetic energy of the substance’s particles

I am a number between 60 and 100. My one's digit is two less than my tens digit. I am a prime number. What am I,explain?

List three things Madison prompted to further strengthen the country?

what is the quantity 0.0075 meters expressed in centimeters? use the table above to help you