Answer the following:
1. What is atmosphere?
2. Write a note on structure of atmosphere?
3. Write a note on distribution of water?
4. What is natural vegetation?
5. What are the three categories of natural vegetation?
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Answers
Answer:
An atmosphere ἀτμός, meaning 'vapour', and σφαῖρα, meaning 'ball' or 'sphere' is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
The structure of the atmosphere dictates the way the atmosphere behaves and controls how weather develops near the surface of the earth. The atmosphere consists of 4 layers: the troposphere, stratosphere, mesosphere, and thermosphere. ... The boundary between the stratosphere and the troposphere is called the tropopause.
The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps.
Natural vegetation refers to a plant community, which has grown naturally without human aid and has been left undisturbed by humans for a long time. This is termed as a virgin vegetation. Thus, cultivated crops and fruits, orchards form part of vegetation but not natural vegetation.
Natural vegetation is generally classified into three broad categories: Forests, Grasslands and Shrubs. The different types of natural vegetation are Tropical Evergreen Forests, Tropical Deciduous Forests, Temperate Evergreen Forests, Temperate Deciduous Forests, Meditterean Vegetation and Coniferous Forests.
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Explanation:
Explanation:
1) The layer of air around the earth is known as Atmosphere.
2) It's made up of 5 layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
3) About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture.
4) The plants that grow in a particular place without interference of humans is known as natural vegetation.
5) Forests, Grasslands, Shrubs.