0
Why is the percentage of argon in the earths atmosphere today the same as it was in the earths early atmosphere?
Argon is a noble gas and does not react with other elements in the atmosphere, so it has remained relatively constant over time. The initial percentage of argon in the Earth's atmosphere was likely determined by the gases present during the planet's formation. The lack of significant processes that remove or add argon to the atmosphere has helped to maintain its percentage over time.
What else can I help you with?
How did the growth of primitive plants change the percentage of oxygen and carbon dioxide in the earths early atmosphere?
The growth of primitive plants, such as algae and mosses, led to an increase in oxygen levels through photosynthesis. This process reduced the percentage of carbon dioxide in the Earth's early atmosphere as the plants used it for growth. This shift in gases laid the groundwork for the development of more complex plant and animal life forms.
What created earths early atmosphere?
Earth's early atmosphere was created by gases released from volcanic activity, such as water vapor, carbon dioxide, nitrogen, and small amounts of methane. Over time, the atmosphere evolved through processes like photosynthesis by early organisms, which contributed oxygen and transformed the composition of the atmosphere to what it is today.
Which important element was missing in earths early atmosohere?
Oxygen was the important element missing in Earth's early atmosphere. It was only produced later by photosynthetic organisms.
Earths early atmosphere was changed dramatically by the evolution of?
photosynthetic organisms, like cyanobacteria, which produced oxygen as a byproduct of photosynthesis. This led to the increase in atmospheric oxygen levels, changing the composition of Earth's early atmosphere.
Which group of organisms is most responsible for changing the compisition of earths early atmosphere?
Cyanobacteria are the group of organisms most responsible for changing the composition of Earth's early atmosphere. Through photosynthesis, they released oxygen into the atmosphere, fundamentally altering its composition and paving the way for aerobic organisms to evolve.
What gas was lacking from earths early atmosphere in the early precambrian?
oxygen
What gas was not part of early earths atmosphere?
oxygen
What gas was not a part of earths early atmosphere?
nitrogen
Was the earths early atmosphere made up of mostly oxygen?
no
What was the major contributor of oxygen to earths early atmosphere?
photosynthsis
When earths early atmosphere formed which gases where lost because earths gravity was too weak?
Hydrogen and helium
What factor contributed to the formation of earths early atmosphere?
energy from the sun,lightening,earths heat triggered chemical reaction for the early gases of the earth combined
What does gas do to some scientist think was missing from earths early atmosphere?
oxygen
What gas do scientist think was missing from earths early atmosphere?
Methane gas
What gas was not found in earths early atmosphere but was produced by photosynthesis?
Carbon dioxide
What molecule was not present in early Earths reducing atmosphere?
Oxygen (O2) was not present in early Earth's reducing atmosphere. It only became abundant in the atmosphere due to the photosynthetic activity of cyanobacteria and other early organisms.
What greenhouse gas used to make up most of earths early atmosphere?
Carbon dioxide used to make up most of Earth's early atmosphere.
