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"Previously, scientists have had different opinions regarding the cause of the disappearance of three-quarters of life on Earth 66 million years ago. The general opinion is divided into two sides, whether the extinction of dinosaurs was caused by the impact of an asteroid or volcanic eruptions. Here is the story of the statements made by scientists revealing the extinction of dinosaurs!"
The translation of the given 'Bahasa' text to 'English' while preserving any html tags is: "The latest research reveals that the extinction of dinosaurs was caused by volcanic activity, not asteroid attacks as previously believed."
Scientists have started using computers to uncover the true causes of the extinction. According to reports from ScienceNews and Wired, it indicates that the gas emissions from the Deccan Traps eruption were the main cause of this extinction event.
Alexander Cox from Dartmouth College, USA, is one of the main authors of this research.
Cox stated that the environmental conditions that caused the extinction of dinosaurs could arise solely from volcanic activity, without involvement from asteroid impact.
This research uses a statistical model known as the Markov Chain Monte Carlo approach. Systematically, this method considers various scenarios of gas emissions from various sources. The main advantage of this approach is the utilization of 128 processors operating in parallel by researchers.
The translated text while preserving html tags: "The data used is derived from three core drillings within deep-sea sediments that are between 67 and 65 million years old. These cores contain marine microorganisms called foraminifera, whose shells contain varying carbon and oxygen isotopes. The chemical composition within these shells records the chemical characteristics of the sea at the time of their formation, and therefore can serve as proxies to infer past global temperatures."
This finding reveals that the amount of gas released into the atmosphere from the Deccan Traps eruption alone may be sufficient to explain the temperature changes and carbon cycles recorded in foraminifera data. However, unfortunately, these results are still not fully accepted by most other scientists.
This is because changes in the oxygen isotope ratio within foraminifera shells can be influenced not only by temperature but also by seawater composition. In addition, the impact of the Chicxulub asteroid remains a significant possibility for affecting the planet's environment, although it does not cause a large spike in gas emissions.
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