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

If you start with a number, Subtract 4,Muliply by 4,add six, and then divide by 2, the results is 10 What is the number?​
the media are sometimes referred to as the ""fourth branch of government"" because
PLZZZ HELP ME I NEED THIS ASAP (GIVING BRAINLIEST)
How can mutations lead to human evolution?
In the compound nitric oxide (NO), for every 14 grams of nitrogen (N), there are how many grams of oxygen (O)? a. 16 b. 8 C.14
Where can you fine Egypt
For the arithmetic sequence -3 , -15 , -27 , -39 , -51, ... , The 50th term is ......................... Please help
guys please help can i need some good songs for my new playlist! i like long distant love songs (they could be sad) and alternative music! please put down some
Guys pls help me!!!!!!!!!!!!!!! La Srta. Santoro bail
nerve fibers scattered throughout the dermis are associated with