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How did oxygen begin to build up in the atmosphere and the ocean?
Oxygen began to build up in the atmosphere and oceans through the process of photosynthesis by early cyanobacteria and algae. These organisms converted carbon dioxide and water into oxygen and organic compounds, releasing oxygen as a byproduct. Over time, the accumulation of oxygen in the atmosphere and oceans led to the Great Oxidation Event around 2.4 billion years ago.
When did earths atmosphere oceans and continents begin to form?
Earth's atmosphere, oceans, and continents began to form around 4.6 billion years ago during the planet's early stages of formation. The atmosphere likely evolved from gases released during volcanic activity, while the oceans formed from water vapor that condensed as the Earth cooled. The continents began to form through the process of plate tectonics, with land masses emerging and colliding over millions of years.
Which area marks boundary where earths atmosphere is constrained by gravity?
magnetosphere.
The region of the atmosphere closest to the earth's surface is the stratosphere True or false?
FALSE. The layers of the atmosphere begin with the troposphere (surface to about 10 km), and continue outward with the stratosphere, mesosphere, and thermosphere. The outermost layer, the exosphere, is sometimes included in the thermosphere, as is the ionosphere.
When do you get out of the space atmosphere?
The boundary between Earth's atmosphere and outer space is not well-defined, but the Kármán line is commonly considered the start of space at 100 km (62 miles) above sea level. However, astronauts typically cross this boundary at around 80 km (50 miles) when they begin to experience microgravity.
How does a lightning flash begin?
in thunderstorms or lightning
What the oppisot of finish?
The opposite of "finish" is "begin" or "start." While "finish" refers to completing a task or activity, "begin" signifies the initiation of that task or activity. These terms represent different stages in a process or action.
How did the Yellowstone 1988 fires begin?
The yellowstone fires begin by,9 by humans,and 42 by lightning
What is the aim of germination?
The aim of germination is for a plant embryo to begin growing and developing into a seedling. This process involves the absorption of water, activation of enzymes, and initiation of cell division and expansion to allow the seedling to emerge from the seed and start photosynthesizing.
How does the process of aug codon recognition contribute to the initiation of protein synthesis in biology?
The process of AUG codon recognition helps to start protein synthesis by signaling the ribosome to begin translating the genetic code into a protein. The AUG codon serves as the start codon, indicating where translation should begin. When the ribosome recognizes the AUG codon, it recruits the necessary components to initiate protein synthesis.
What is intiation?
cause (a process or action) to begin : he proposes to initiate discussions on planning procedures. admit (someone) into a secret or obscure society or group, typically with a ritual : she had been formally initiated into the sorority.
How does oxygen enter the atmosphere cellular respiration or photosynthesis?
Photosynthesis produces water and oxygen plus energy. It uses carbon dioxide and water to begin the process.
Scary with an L?
Landslide, leopard, lightning and lion, are scary things. They begin with the letter L.
When does a thunderstorm begin?
A thunderstorm typically begins when warm, humid air rises rapidly in an unstable atmosphere, forming cumulonimbus clouds. As the air continues to rise, it cools and condenses, leading to the development of lightning, thunder, heavy rain, and sometimes hail.
How did the process of uniting Italy begin?
they formed groups in the new italy and they begin making the process of uniting with the aztecs.
What is an important factor in the initiation of labor?
An important factor in the intiation of labor is that the fetus is completely developed. The body will know when it is time and the cervix will begin to thin and efface.
What is a loud noise beginning with l?
Lightning, laughter and a lawnmower are loud noises. They begin with the letter l.
