Atmospheric Sciences

Without its oxygen content the Earth's atmosphere would be composed almost entirely of nitrogen and would be chemically inert; oxygen causes the atmosphere to be chemically active (and breathable by humans).

Carbon Helium and lots of sodium along with H20

A scientist called Olber asked the same question, which came to be known as Olber's Paradox. Olber said "If the universe is infinite and static, every line of sight would lead to a star in the sky. Therefore, the sky should be bright at night." However, we know this is not true. This became one of the supporting pieces of evidence for the Big Bang model of the universe, that says the universe is not static, and in fact had a beginning point and is now expanding.

Modern explanations for why the sky is black include; the finite speed of light, and the finite age of the universe. Firstly, the speed of light travels at a constant velocity, therefore the light from very distant stars may not have reached us yet. And secondly, the Big Bang theory suggests that the universe had a beginning i.e. it is finite in age. This means that stars have not existed for all time, so therefore their light may not have reached us yet.

Oxygen is the atmospheric component chiefly produced by life processes, such as photosynthesis by plants and algae. It is essential for the survival of most living organisms on Earth.

When an air mass cools from below, it reaches its dew point temperature, causing water vapor in the air to condense into liquid droplets. These liquid droplets then come together to form clouds through the process of condensation. This can lead to the formation of various types of clouds depending on the atmospheric conditions.

The meteorite collision at the end of the Mesozoic era caused significant changes in the atmosphere by releasing immense amounts of debris and gases that led to global cooling and darkening of the skies, disrupting photosynthesis and causing mass extinctions. The biosphere was greatly impacted as the sudden environmental changes wiped out around 75% of all species, including dinosaurs, and allowed for the rise of new species and ecosystems in the following Cenozoic era.

Once it reaches the atmosphere, the rain will become acid rain and fall back down to the earth

Because not much matter gets in or out. However, please note that if you include energy in your considerations, it is notclosed, since energy is flowing in and out all the time.

Because not much matter gets in or out. However, please note that if you include energy in your considerations, it is notclosed, since energy is flowing in and out all the time.

Because not much matter gets in or out. However, please note that if you include energy in your considerations, it is notclosed, since energy is flowing in and out all the time.

Because not much matter gets in or out. However, please note that if you include energy in your considerations, it is notclosed, since energy is flowing in and out all the time.

Yes, hydrogen is found in the Earth's atmosphere, but it is present in very small amounts. It makes up about 0.00005% of the atmosphere by volume. The majority of hydrogen on Earth is found in compounds like water and hydrocarbons.

Ozone is a gas that shows significant variation in concentration from place to place and from time to time in the lower atmosphere. It is influenced by factors like pollution, weather patterns, and sunlight intensity, leading to fluctuations in its levels. These variations can have important implications for air quality and human health.

The Laguna fault line runs from near Laguna Lake and under Santa Rosa. All of the Philippines can experience earthquakes because it is located on the Pacific Rim of Fire.

the relationship between atmospheric pressure and altitude is the higher you go, the lesser the atmospheric pressure becomes. if the air above you is less, then there is less weight being pressed upon the air you are on.

anonymous boy from small heath school y8 2011

Because of the temperature of the air. There's about the same amount of air over the earth, pressing down and generating roughly the same amount of pressure. But the difference is that because cold air is more dense than hot air, the same amount of cold air will compress much more than that of hot air. Therefore, the height of the troposphere over the poles can be less than half what it is at the equator, with the same amount of air.

The stratosphere extends from about 11 kilometers to 50 kilometers above the Earth's surface. This layer contains the ozone layer, which absorbs and scatters the sun's ultraviolet radiation. Temperature increases with altitude in the stratosphere due to the absorption of UV radiation by the ozone layer.

The layer closest to space is the exosphere. It extends from about 500 kilometers (311 miles) above the Earth's surface and gradually merges with interplanetary space. The exosphere is very thin and composed mainly of low-density gas molecules.

Elevation or altitude is the factor that is most commonly corrected for on maps of atmospheric pressure. This correction is necessary because air pressure decreases with increasing altitude, so adjusting for elevation helps to provide a more accurate representation of pressure patterns at the surface.

The average conditions of the atmosphere in a particular area are referred to as the area's climate. Climate encompasses long-term patterns of temperature, humidity, wind, and precipitation in a region.

There are more than four gases in air but the four most abundant are nitrogen, oxygen, argon and carbon dioxide. There are others in smaller quantities, e.g. hydrogen, helium, neon, krypton, methane.

A glowing region in the atmosphere could refer to phenomena such as the auroras (Northern and Southern Lights) caused by the interaction of solar wind with the Earth's magnetic field. It may also refer to noctilucent clouds, high-altitude clouds that can appear to glow in the twilight sky due to their altitude and the way they scatter sunlight.

Temperature reaches its coldest at the tropopause, which is the boundary between the troposphere below and the stratosphere above. In the stratosphere, the temperature increases with height due to absorption of radiation by ozone.
Temperature changes when altitude is in the stratosphere because of one things. It already rises when you climb up in the stratosphere.

Earth's second atmosphere was mostly composed of carbon dioxide and water vapor, with smaller amounts of nitrogen and trace gases like methane and ammonia. This atmosphere was formed primarily from volcanic outgassing and chemical reactions on the early Earth's surface.

In the troposphere, temperatures typically decrease with altitude due to the decrease in air pressure with height. This is known as the lapse rate, with temperatures normally decreasing by about 6.5°C per kilometer. This temperature trend is reversed in the stratosphere where temperatures rise with altitude due to the absorption of solar radiation by ozone.

Human activities such as burning fossil fuels, deforestation, and industrial processes release greenhouse gases like carbon dioxide into the atmosphere. These gases trap heat from the sun, leading to an enhanced greenhouse effect and global warming.

Just under 80% of the Earth's atmosphere is made up of Nitrogen and just over 20% is made up of Oxygen.

Air always moves from areas of high pressure to areas of low pressure. Therefore, air moves away from high pressure systems, thus creating wind which pushes clouds away. This results in a clear sky at the high pressure system.