violet2333
violet2333 violet2333
  • 17-12-2014
  • Chemistry
contestada

What is the main component of the earths ancient atmosphere?

Respuesta :

kerra1
kerra1 kerra1
  • 17-12-2014
Water
hydrogen
cyanide 
hydrogen
sulfide
nitrogen 
carbon dioxide 
carbon monoxide 
(I believe)
Answer Link

Otras preguntas

The rectangle below has an area of 2 + 11x + 28 square meters and a length of x + 7 meters.What expression represents the width of the rectangle?1 +7Width22 +11
HELP PLEASE must show work​
Why are changes in the global carbon cycle important? why are changes in the global carbon cycle important? burning increases available carbon for primary produ
Select the point that is a solution to the system of inequalities
What connections was James Lind able to make during his voyage and experiments at sea?
What is social responsibility, and how do business show it?​
8. A student passes a magnet over 10 g of a powder. Four grams of the powder stick to the magnet, while 6 g do not. Which of these identifies the substance? * e
What are the coordinates of D when quadrilateral is reflected across the line y = x
A pound of apples cost $1.30. Sawyer bought 2 1/2 pounds of apples. How much did Sawyer pay?
1) Some species of insect are thermogenic and capable of producing their own heat. If a physiologist wanted to study the mechanism of heat production, what cell