AaliyahJordan AaliyahJordan
  • 26-05-2017
  • Biology
contestada

Scientists believe that the Earth's early atmosphere lacked __________ gas because photosynthetic organisms did not yet exist.

Respuesta :

briannalane120
briannalane120 briannalane120
  • 26-05-2017
The correct answer is oxygen
Answer Link
ejhudson ejhudson
  • 12-04-2019

the answer is C oxygen

Answer Link

Otras preguntas

Do as shown: 1- Sam never speaks to strangers. 2- Ann always reads the newspaper in the morning. 3- Dina does the shopping every Friday. 4- After we had lunch,
A 0.0750kg teddy bear is dropped from a deck that is 3.00m above the ground. What will be the velocity of the teddy bear as it strikes the ground?
Jamie is learning how to use his brand new DSLR camera is trying different techniques for how to hold his camera. What best describes the correct way that Jamie
A book club is reading three books. The first has 260 pages, the second 175 pages, and the third 120 pages. Rachel reads the first book and Kerry reads the othe
In the opening lines of the novel, nick, the narrator, recalls advice that his father gave him, what was his advice?
How does smear preparation of cells from a liquid medium differ from preparation of cells from a solid medium?
A nurse is preparing an education plan for an older adult. what would be least appropriate for the nurse to include in this plan?
When working to make something visually appealing, what will visual parallelism help to achieve?
If 2021 is the base year, what is the percentage increase in cost of goods sold from 2021 to 2023?
Which assessment findings are consistent with a client diagnosis of right-sided heart failure?