The major constituent of Earth's atmosphere by percentage is nitrogen (N2), which makes up about 78% of the atmosphere. Oxygen (O2) is the second most abundant gas, comprising approximately 21%. Together, nitrogen and oxygen make up about 99% of the Earth's atmosphere. Other trace gases, including aRead more
The major constituent of Earth’s atmosphere by percentage is nitrogen (N2), which makes up about 78% of the atmosphere. Oxygen (O2) is the second most abundant gas, comprising approximately 21%. Together, nitrogen and oxygen make up about 99% of the Earth’s atmosphere. Other trace gases, including argon, carbon dioxide, neon, helium, methane, krypton, hydrogen, xenon, and ozone, make up the remaining 1%. These trace gases play crucial roles in various atmospheric processes, including the greenhouse effect and the overall composition and chemistry of the atmosphere.
The Earth's atmosphere is divided into distinct layers, each with its own unique characteristics. These layers, from the surface of the Earth outward, are: 1.Troposphere: The troposphere is the lowest layer and extends from the Earth's surface up to an average altitude of about 8-15 kilometers (5-9Read more
The Earth’s atmosphere is divided into distinct layers, each with its own unique characteristics. These layers, from the surface of the Earth outward, are:
1.Troposphere:
The troposphere is the lowest layer and extends from the Earth’s surface up to an average altitude of about 8-15 kilometers (5-9 miles).
This layer contains the majority of the Earth’s weather phenomena, including clouds, rain, and storms. Temperature decreases with altitude in the troposphere.
2. Stratosphere:
» Above the troposphere, the stratosphere extends from approximately 15 to 50 kilometers (9 to 31 miles) above the Earth’s surface.
The ozone layer is located in the lower portion of the stratosphere, playing a crucial role in absorbing and blocking harmful ultraviolet (UV) radiation from the Sun.
Mesosphere:
Extending from about 50 to 85 kilometers (31 to 53 miles), the mesosphere is the third layer.
Temperatures in the mesosphere decrease with altitude, reaching extremely cold temperatures.
3. Thermosphere:
» The thermosphere begins around 85 kilometers (53 miles) and extends outward into space.
This layer experiences high temperatures due to the absorption of solar energy, but the actual air molecules are very sparse.
4. Exosphere:
» The outermost layer, starting around 500 kilometers (311 miles) and gradually transitioning into the vacuum of space.
The exosphere contains few air molecules, and its boundary with outer space is not precisely defined.
These atmospheric layers play vital roles in regulating the Earth’s climate, weather patterns, and the behavior of electromagnetic radiation within our atmosphere.
The Earth is often referred to as the "Blue Planet" due to the predominant color seen from space. This distinctive hue is primarily attributed to the vast expanses of water that cover about 71% of the planet's surface. The oceans, with their deep blue shades, play a crucial role in defining Earth'sRead more
The Earth is often referred to as the “Blue Planet” due to the predominant color seen from space. This distinctive hue is primarily attributed to the vast expanses of water that cover about 71% of the planet’s surface. The oceans, with their deep blue shades, play a crucial role in defining Earth’s appearance when observed from space.
The blue color results from the selective scattering of sunlight by the water molecules in the atmosphere. When sunlight enters Earth’s atmosphere, it is composed of different colors, each with varying wavelengths. Shorter wavelengths, such as blue and violet, are scattered more than longer wavelengths, like red and orange. This scattering of blue light gives the sky its blue color and contributes to the overall blueness of the Earth when seen from space.
The “Blue Planet” moniker not only highlights the prominence of oceans but also serves as a reminder of the essential role water plays in sustaining life on Earth. It underscores the significance of Earth’s unique conditions that support a diverse array of ecosystems and make it a haven for life as we know it.
The term "Land Hemisphere" in reference to the Northern Hemisphere is not a widely recognized or standard designation. The Earth's Northern Hemisphere is commonly associated with being land-dominated due to the distribution of continents like North America, Europe, Asia, and parts of Africa. These lRead more
The term “Land Hemisphere” in reference to the Northern Hemisphere is not a widely recognized or standard designation. The Earth’s Northern Hemisphere is commonly associated with being land-dominated due to the distribution of continents like North America, Europe, Asia, and parts of Africa. These landmasses collectively contribute to the perception that there is a greater land area in the Northern Hemisphere compared to the Southern Hemisphere.
The Northern Hemisphere contains the majority of Earth’s landmass, including large continents and diverse landscapes. This land-dominated characteristic has implications for climate patterns, weather systems, and biodiversity. The positioning of continents in the Northern Hemisphere affects the distribution of temperature, precipitation, and ecosystems.
It’s essential to note that while the Northern Hemisphere is often described as land-dominated, this does not mean that the Southern Hemisphere lacks land. In fact, both hemispheres have substantial land areas, and the terms are more accurately used to describe general geographical differences rather than implying one hemisphere is exclusively land and the other exclusively water.
Topographic maps are specifically designed to provide highly detailed information about the physical features of a geographical area. These maps go beyond basic political boundaries or road networks and focus on representing the terrain and landscape in intricate detail. They are characterized by coRead more
Topographic maps are specifically designed to provide highly detailed information about the physical features of a geographical area. These maps go beyond basic political boundaries or road networks and focus on representing the terrain and landscape in intricate detail. They are characterized by contour lines, which indicate changes in elevation, helping users visualize the topography of the land.
Topographic maps include information such as mountains, valleys, rivers, lakes, forests, and other natural features. They often provide specific details about man-made structures like roads, trails, buildings, and landmarks. Additionally, these maps may incorporate symbols and legends to convey information about land use, vegetation, and geological features.
Surveying and cartographic techniques contribute to the precision of topographic maps, making them valuable tools for activities such as hiking, camping, geological studies, and urban planning. Geographic Information System (GIS) technology has further enhanced the capabilities of topographic mapping by allowing for dynamic, interactive representations and layering of various data sets, providing even more detailed and customizable information for users.
The major constituent of atmosphere by per cent is
The major constituent of Earth's atmosphere by percentage is nitrogen (N2), which makes up about 78% of the atmosphere. Oxygen (O2) is the second most abundant gas, comprising approximately 21%. Together, nitrogen and oxygen make up about 99% of the Earth's atmosphere. Other trace gases, including aRead more
The major constituent of Earth’s atmosphere by percentage is nitrogen (N2), which makes up about 78% of the atmosphere. Oxygen (O2) is the second most abundant gas, comprising approximately 21%. Together, nitrogen and oxygen make up about 99% of the Earth’s atmosphere. Other trace gases, including argon, carbon dioxide, neon, helium, methane, krypton, hydrogen, xenon, and ozone, make up the remaining 1%. These trace gases play crucial roles in various atmospheric processes, including the greenhouse effect and the overall composition and chemistry of the atmosphere.
See lessName the different layers of atmosphere.
The Earth's atmosphere is divided into distinct layers, each with its own unique characteristics. These layers, from the surface of the Earth outward, are: 1.Troposphere: The troposphere is the lowest layer and extends from the Earth's surface up to an average altitude of about 8-15 kilometers (5-9Read more
The Earth’s atmosphere is divided into distinct layers, each with its own unique characteristics. These layers, from the surface of the Earth outward, are:
1.Troposphere:
The troposphere is the lowest layer and extends from the Earth’s surface up to an average altitude of about 8-15 kilometers (5-9 miles).
This layer contains the majority of the Earth’s weather phenomena, including clouds, rain, and storms. Temperature decreases with altitude in the troposphere.
2. Stratosphere:
» Above the troposphere, the stratosphere extends from approximately 15 to 50 kilometers (9 to 31 miles) above the Earth’s surface.
The ozone layer is located in the lower portion of the stratosphere, playing a crucial role in absorbing and blocking harmful ultraviolet (UV) radiation from the Sun.
Mesosphere:
Extending from about 50 to 85 kilometers (31 to 53 miles), the mesosphere is the third layer.
Temperatures in the mesosphere decrease with altitude, reaching extremely cold temperatures.
3. Thermosphere:
» The thermosphere begins around 85 kilometers (53 miles) and extends outward into space.
This layer experiences high temperatures due to the absorption of solar energy, but the actual air molecules are very sparse.
4. Exosphere:
See less» The outermost layer, starting around 500 kilometers (311 miles) and gradually transitioning into the vacuum of space.
The exosphere contains few air molecules, and its boundary with outer space is not precisely defined.
These atmospheric layers play vital roles in regulating the Earth’s climate, weather patterns, and the behavior of electromagnetic radiation within our atmosphere.
Why is the earth called the “blue planet”?
The Earth is often referred to as the "Blue Planet" due to the predominant color seen from space. This distinctive hue is primarily attributed to the vast expanses of water that cover about 71% of the planet's surface. The oceans, with their deep blue shades, play a crucial role in defining Earth'sRead more
The Earth is often referred to as the “Blue Planet” due to the predominant color seen from space. This distinctive hue is primarily attributed to the vast expanses of water that cover about 71% of the planet’s surface. The oceans, with their deep blue shades, play a crucial role in defining Earth’s appearance when observed from space.
The blue color results from the selective scattering of sunlight by the water molecules in the atmosphere. When sunlight enters Earth’s atmosphere, it is composed of different colors, each with varying wavelengths. Shorter wavelengths, such as blue and violet, are scattered more than longer wavelengths, like red and orange. This scattering of blue light gives the sky its blue color and contributes to the overall blueness of the Earth when seen from space.
The “Blue Planet” moniker not only highlights the prominence of oceans but also serves as a reminder of the essential role water plays in sustaining life on Earth. It underscores the significance of Earth’s unique conditions that support a diverse array of ecosystems and make it a haven for life as we know it.
See lessWhy is the Northern Hemisphere called the Land Hemisphere?
The term "Land Hemisphere" in reference to the Northern Hemisphere is not a widely recognized or standard designation. The Earth's Northern Hemisphere is commonly associated with being land-dominated due to the distribution of continents like North America, Europe, Asia, and parts of Africa. These lRead more
The term “Land Hemisphere” in reference to the Northern Hemisphere is not a widely recognized or standard designation. The Earth’s Northern Hemisphere is commonly associated with being land-dominated due to the distribution of continents like North America, Europe, Asia, and parts of Africa. These landmasses collectively contribute to the perception that there is a greater land area in the Northern Hemisphere compared to the Southern Hemisphere.
The Northern Hemisphere contains the majority of Earth’s landmass, including large continents and diverse landscapes. This land-dominated characteristic has implications for climate patterns, weather systems, and biodiversity. The positioning of continents in the Northern Hemisphere affects the distribution of temperature, precipitation, and ecosystems.
It’s essential to note that while the Northern Hemisphere is often described as land-dominated, this does not mean that the Southern Hemisphere lacks land. In fact, both hemispheres have substantial land areas, and the terms are more accurately used to describe general geographical differences rather than implying one hemisphere is exclusively land and the other exclusively water.
See lessWhich map provides detailed information?
Topographic maps are specifically designed to provide highly detailed information about the physical features of a geographical area. These maps go beyond basic political boundaries or road networks and focus on representing the terrain and landscape in intricate detail. They are characterized by coRead more
Topographic maps are specifically designed to provide highly detailed information about the physical features of a geographical area. These maps go beyond basic political boundaries or road networks and focus on representing the terrain and landscape in intricate detail. They are characterized by contour lines, which indicate changes in elevation, helping users visualize the topography of the land.
Topographic maps include information such as mountains, valleys, rivers, lakes, forests, and other natural features. They often provide specific details about man-made structures like roads, trails, buildings, and landmarks. Additionally, these maps may incorporate symbols and legends to convey information about land use, vegetation, and geological features.
Surveying and cartographic techniques contribute to the precision of topographic maps, making them valuable tools for activities such as hiking, camping, geological studies, and urban planning. Geographic Information System (GIS) technology has further enhanced the capabilities of topographic mapping by allowing for dynamic, interactive representations and layering of various data sets, providing even more detailed and customizable information for users.
See less