SOLAR SYSTEM

UNIVERSE

SOLAR SYSTEM FORMATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which gas was not present in Earth first atmosphere?
A
Oxygen
B
Nitrogen
C
Ozone
D
Argon
Explanation: 

Detailed explanation-1: -Oxygen was absent in early earth atmosphere.

Detailed explanation-2: -The water vapor, carbon dioxide, and methane acted as greenhouse gases, trapping heat and insulating the early Earth during a critical period in its development. Of oxygen, meanwhile, the early atmosphere held barely a trace.

Detailed explanation-3: -The first atmosphere was formed from gases emitted by volcanoes-mainly carbon dioxide, some water vapour and trace amounts of nitrogen, methane and ammonia. 3.8 billion years ago, Earth’s temperature fell and the atmospheric water vapour condensed to form the oceans. The oceans absorbed some carbon dioxide.

Detailed explanation-4: -Nitrogen (N2)−78% of air, Carbon dioxide (CO2)−0. 04% of air and Oxygen(O2)−21% of air are a part of the atmosphere but chlorine (Cl2) does not form a part of the atmosphere.

There is 1 question to complete.