margarita13 margarita13
  • 13-09-2016
  • Chemistry
contestada

Scientists can determine if oxygen existed in Earth's Archean atmosphere by

Respuesta :

Аноним Аноним
  • 14-09-2016
Scientists can determine if oxygen existed in Earth’s Archean atmosphere by looking for oxidized iron in rock. 
Answer Link

Otras preguntas

There are fifty people in line for tickets to the Royal Rumble. Each time a fan buys a ticket, you skip two places in line. How many fans will buy tickets befor
What was the company SEGA called when it was first established
what political traditions were borrowed from britain? what traditions were original to the United States?
what is 6 1/2 - 1 9/10
For a contest, Dominique is stacking 3 super-long pens lengthwise on top of each other. Each pen is 2 feet long. If she succeeds, how many inches tall will her
During the course of the day, which location had the greatest intensity of insolation at solar noon? (1) A (2) B (3) C (4) D
why might you use multiples of a divisor to solve a problem
The items Kameko ordered for lunch totaled $5.20. The sales-tax rate was 8%. A. Find the sales tax to the nearest cent. B. Find the total price for the lunch in
Please help!! Psychology 2! What are Aristotle’s laws of association? Discuss his ideas on learning.
Help me please!! Use the leftover letters to guess the answer!!