kaeppelkay kaeppelkay

12-04-2017
Biology

contestada

What was the major contributor of oxygen to earth's early atmosphere?

Respuesta :

PureVelocity PureVelocity

12-04-2017

It's a bacteria that grew along all the ocean coast that took in carbon and through photosynthesis, turned it into oxygen, the process took about a billion years.

Answer Link

laurenhaldeman laurenhaldeman

12-04-2017

photosynthesis I believe

Answer Link

Otras preguntas

What equipment should a food worker use to reheat a baked oitato?

prove the following 1- sin A sin (90-1)/cot (90-a)= sin^2 A

PLEASE HELP ME I NEED THIS REALLY BAD ALL MULT CHOICE PLEASE SHOW SOME WORK

A financially driven reason for outsourcing is that it can turn fixed costs into variable costs

Saul, a researcher, offers a bowl of normal dog food and another bowl of vitamin-enriched dog food to his pet dog. he then records the amount of food consumed f

Solve the system using elimination. 6x + 3y = –12 6x + 2y = –4

Can somebody with a pacemaker work in a food processing plant next to a metal detector

Choose whether or not there should be a comma between the adjectives. I wear the same fuzzy sweatshirt every day.

Cooked vegetables must be held at what temperature? a. cooked vegetables are not required to be held hot prior to serving b. cooked vegetables must be held a

Frostbite occurs when ice crystals form in the space between cells true or false