Earth's atmosphere is important for several reasons: it supports the exchange of life-sustaining gases, filters sunlight, regulates temperature and even plays a role in the water cycle. The atmosphere contains five distinct layers. Its first layer, the stratosphere, is closest to Earth and serves as the activity spot for weather production and cloud formation. It contains an ozone layer, which prevents dangerous sun rays from passing through clouds and modifies temperature, letting life exist.Know More
The layers of the atmosphere decrease in thickness upon moving from the first layer, closest to Earth, to the fifth and farthest layer. Each layer has a particular purpose, such as retaining certain gases and modifying temperature.
The atmosphere plays a large role in regulating the type and quantity of gases necessary for supporting life on Earth. This includes regulation of oxygen and carbon dioxide, two of the most important gases. The atmosphere also controls the amount of greenhouse gases in the air, which affects temperature and air quality.
Earth's atmosphere plays a key role in the planet's water cycle. It stores water in the form of water vapor, and initiates formation and movement of weather cycles and precipitation. The atmosphere plays a distinct role in regulating life, but the introduction of excessive volumes of greenhouse gases and synthetic compounds interrupt the atmosphere's routine functions, leading to issues like ozone holes, acid rain and global warming.Learn more about Atmosphere
The thin layer of gases surrounding the earth is called the atmosphere. Earth's atmosphere is separated into five layers known as the troposphere, stratosphere, mesosphere, ionosphere and exosphere.Full Answer >
Oxygen began to accumulate in the atmosphere during the Proterozoic Era, which began about two billion years ago and ended about 700 million years ago. Much of this oxygen arose from the actions of the cyanobacteria.Full Answer >
The ozone layer is located in the stratosphere, a region of the atmosphere that is about 10 to 50 kilometers above the Earth. The stratosphere consists of approximately 90 percent ozone. Ozone has the chemical formula O3.Full Answer >
The main sources of carbon dioxide in the atmosphere are decaying plants, waste products as a result of the respiration of animals and volcanic eruptions. Human activity also releases carbon dioxide into the air. The main source of this carbon dioxide is the burning of fossil fuels.Full Answer >