The relationship between altitude and atmospheric pressure is that as altitude increases, atmospheric pressure decreases. This is due to the fact that the air molecules are less compressed at higher altitudes, resulting in a lower density of air molecules and a lower pressure.
At 20 kilometers above the surface, the atmospheric pressure would be extremely low. In fact, the pressure at this altitude is only about 1% of the pressure at sea level. This is because the air molecules are very spread out and there are fewer of them present to exert pressure. To put this in perspective, the pressure at sea level is typically around 1013 millibars (mb), while the pressure at 20 kilometers above the surface is only about 1 mb. This extremely low pressure at high altitudes is one of the reasons why humans cannot survive without specialized equipment, such as pressurized aircraft or space suits.In summary, the pressure at 20 kilometers above the surface is extremely low due to the relationship between altitude and atmospheric pressure. As altitude increases, atmospheric pressure decreases, resulting in a low pressure environment at high altitudes.
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a study by wood and soulard (2009) noted that ____________ residents lived in the area inundated by the mt. rainier electron lahar 500 years ago.
A study conducted by Wood and Soulard in 2009 revealed that Native American residents had inhabited the area that was inundated by the Mt. Rainier Electron Lahar 500 years ago.
The researchers utilized several methods, including radiocarbon dating, to analyze the age of the deposits left by the lahar and to determine when the area was last inhabited. They discovered that the lahar occurred sometime between 1440 and 1490 AD, and that the Native American residents had been present in the area for at least several decades before the event. The study also shed light on the types of resources that these residents had access to, including abundant sources of salmon and other fish. The findings of this study provide valuable insight into the history of human settlement in the region and highlight the resilience of the indigenous peoples who have inhabited the area for thousands of years. In their research, Wood and Soulard analyzed the distribution and impact of the Electron Lahar in the context of current population trends and land use. Their findings highlighted the potential hazards that residents in the affected area faced during the event, as well as the ongoing risks associated with living near an active volcano.
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In middle-latitude regions, a strong _______ may develop from surface water being warmed during the summer and cooled during the winter
Answer: Thermocline
Explanation: In middle-latitude regions, a strong thermocline may develop from surface water being warmed during the summer and cooled during the winter.
the 2012 and 2016 earthquake swarms near timberline lodge on mt hood probably
The earthquake swarms that occurred near Timberline Lodge on Mt. Hood in 2012 and 2016 are likely due to the geological activity in the area.
these swarms occurred is because of the location of the mountain on a tectonic boundary where the Juan de Fuca Plate is subducting beneath the North American Plate. This results in high volcanic and seismic activity in the region.
the earthquake swarms is that there is an accumulation of stress on the faults in the area, which can be released in the form of earthquakes. The swarms likely occurred due to the faults being close to the breaking point, causing a series of small earthquakes to occur. This is common in areas of high seismic activity, such as around Mt. Hood. the earthquake swarms near Timberline Lodge on Mt. Hood in 2012 and 2016 are likely due to the geological activity in the area, specifically the tectonic boundary where the Juan de Fuca Plate is subducting beneath the North American Plate. The swarms occurred due to the accumulation of stress on the faults in the region, which resulted in a series of small earthquakes.
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the glen canyon dam causes the colorado river to be warmer downriver from the dam. T/F
The given statement "the glen canyon dam causes the colorado river to be warmer downriver from the dam" is False because The Glen Canyon Dam diverts cold water from the bottom of Lake Powell upstream from the dam into the Colorado River downstream from the dam.
This cold water input from the dam offsets the warming effect of the dam itself and helps keep the downstream water temperature relatively cool. The dam also helps to prevent the warm water from upstream reaching the downstream areas. As a result, the Colorado River downstream from the dam is slightly cooler than the water upstream from the dam.
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FILL THE BLANK. in developing countries and rural communities, individuals with dissociative identity disorder ______.
In developing countries and rural communities, individuals with dissociative identity disorder may face significant challenges in receiving appropriate diagnosis and treatment.
In developing countries and rural communities, individuals with dissociative identity disorder (DID) often struggle to receive proper medical attention and support due to limited resources and lack of specialized mental health services.
Additionally, cultural stigmas and superstitions surrounding mental illness may prevent individuals from seeking help or receiving a proper diagnosis. This can lead to individuals with DID facing significant social isolation, inadequate treatment options, and a lack of understanding from their communities.
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what is the approximate ratio of nitrogen emissions from livestock agriculture to those from fossil fuel burning?
The approximate ratio of nitrogen emissions from livestock agriculture to those from fossil fuel burning is about 1:1. Livestock agriculture, particularly through animal waste and fertilizer use, is a significant contributor to nitrogen emissions, comparable to emissions from burning fossil fuels.
Nitrogen emissions from livestock agriculture primarily originate from two main sources: animal waste and the use of nitrogen-based fertilizers. Animal waste contains high levels of nitrogen, which can be released into the environment through volatilization and runoff. Additionally, the application of nitrogen-based fertilizers in crop production for animal feed contributes to nitrogen emissions.
On the other hand, fossil fuel burning releases nitrogen oxides (NOx) as a byproduct. These emissions occur during the combustion of fossil fuels in various sectors such as transportation, energy production, and industrial processes.
While precise quantification of nitrogen emissions from both sources can be challenging, studies indicate that the emissions from livestock agriculture and fossil fuel burning are roughly on par. Both sources contribute significantly to overall nitrogen emissions, highlighting the importance of addressing emissions from both sectors to mitigate environmental impacts such as air and water pollution, climate change, and ecosystem disruption.
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Which of the following statements is true concerning rock produced at mid-ocean ridges?A. Basalt is produced at shallow depth.B. Gabbro is produced at greater depth.C. Granite is produced at the greatest depthD. Basalt, gabbro and granite are all produced at various depths.
The statement that is true concerning rock produced at mid-ocean ridges is that basalt is produced at shallow depth.
At mid-ocean ridges, which are underwater mountain ranges formed by tectonic plate divergence, basalt is the predominant type of rock produced at shallow depth. Basalt is a mafic igneous rock that forms from the solidification of lava erupted from the mid-ocean ridge volcanoes. It has a low silica content and a fine-grained texture. The basaltic lava erupts onto the seafloor and cools relatively quickly, forming basaltic rocks.
Gabbro, on the other hand, is a coarse-grained rock that forms from the slow cooling and solidification of magma deeper beneath the oceanic crust. Gabbro is more commonly found in the lower crust and mantle, rather than at mid-ocean ridges.
Granite, a felsic igneous rock, is typically associated with continental crust rather than mid-ocean ridges. It forms through the slow cooling and solidification of magma in the continental crust, often at greater depths compared to basalt and gabbro.
Therefore, the statement that basalt is produced at shallow depth is true, while the statements about gabbro and granite being produced at greater depths or the greatest depth are not applicable to rock production at mid-ocean ridges.
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