jessicakurgan23 jessicakurgan23
  • 21-10-2020
  • Biology
contestada

Why do we have an oxygen-rich atmosphere?

Respuesta :

vanessaxx
vanessaxx vanessaxx
  • 21-10-2020

we do indeed have an oxygen-rich atmosphere!

the organism known as cyanobacteria uses sunlight,water, and CO2 to produce carbohydrates & oxygen!

Answer Link

Otras preguntas

Collect information about working of geyser and prepare a report
What year did the Mayflower sail the ocean blue?
the total cost of 3 tables & 2 chairs is rs 1850 ...if a table RS 75 more than a chair ,find the price of each ?
how do u express a ratio as a decimal
what does 'secret, black and midnight hags' mean in shakespeare?
resources are an integral part of human survival.yet indiscriminate use of them by humans has led to a crisis situation."discuss the above ststement in light of
what are the rational numbers of -12,0,35,4.85,√12,√36,19/6,-10/11,1.4949949994
resources are an integral part of human survival.yet indiscriminate use of them by humans has led to a crisis situation."discuss the above ststement in light of
a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth: