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Why does the atmosphere sit above Earth's oceans?
The atmosphere sits above Earth's oceans due to gravity, which pulls all matter towards the center of the planet. The density of air is lower than that of water, so it occupies the space above the oceans. Temperature and pressure also play a role in determining the vertical distribution of the atmosphere.
Which has the longest residence time on continents?
Methane has the longest residence time on continents among the greenhouse gases, due to its lower reactivity and slower rate of removal from the atmosphere.
What are the lower atmosphere and hydrosphere bound to earth by?
The lower atmosphere is bound to Earth by gravity, which keeps gases such as nitrogen, oxygen, and carbon dioxide close to the planet's surface. The hydrosphere, which includes water bodies such as oceans, lakes, and rivers, is also held in place by gravity.
How does driving cars lower the pH of the oceans?
Driving cars releases carbon dioxide into the atmosphere, which eventually dissolves in the ocean to form carbonic acid. This carbonic acid decreases the pH of the oceans, leading to ocean acidification.
Why was the sea level lower duing the ice ages?
During the ice ages, a significant amount of water from the Earth's oceans was locked up in glaciers and ice sheets on land, resulting in a lower sea level. This process, known as glaciation, occurred as climate conditions favored the accumulation of ice on the continents rather than in the oceans.
Why does Earth have a lower amount of carbon in the atmosphere compared to planets like Venus and Mars?
Earth has a lower amount of carbon in the atmosphere compared to planets like Venus and Mars because Earth's carbon is mostly stored in rocks and oceans, while on Venus and Mars, carbon is released into the atmosphere through volcanic activity and other processes.
When was the formation of oxygen atmosphere?
when Earth was hit my carbonic acids, rocks eroded, and granite, carried by rivers, was released into oceans, at some point CO2 was released into the oceans, and stromatolites formed in shallow seas and absorbed the CO2, eventually it spit out oxygen and after oxygen become to much in the sea it moved into an area of lower concentration outside of the ocean and into the atmosphere
What is the relationship between CO2 levels and pH?
As CO2 levels increase in the atmosphere, more CO2 is absorbed by the oceans, leading to ocean acidification. This process reduces the pH of the oceans, making them more acidic. The lower the pH, the higher the acidity, which can have detrimental effects on marine life and ecosystems.
Which continents are lower than sea level?
None. The are areas below sea level in the continents but the continents themselves are all above sea level.
If the earth is spherical how does the seas and ocean hold the water in place?
Gravity pulls all matter toward the center of the earth. That keeps the water in the lower basins, that are called seas and oceans and are bounded by higher ground called continents and islands.
Where is most of the water vapor and carbon dioxide in earths atmosphere found?
Upper Part
Why does the density of the atmosphere decrease with the height?
ice floats on top of water due to its lower density.... similarly, the gases with lower density lies in the upper atmospheric layers and the ones with larger density lie on the lower most atmospheric layers. so the overall density of air decreases with height.
