please tell me these definition in short way
Answers
Answer:
Atmosphere
Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it.
carbon dioxide
Carbon dioxide is a molecule that contains two oxygen atoms and one carbon atom. It can be found as a gas in the air, or as a solid in the form of dry ice, which is very cold. Carbon dioxide is produced from breathing and from burning certain substances called fossil fuels.
oxygen
a chemical element that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion
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Answer:
Simple Definitions Of:
Atmosphere:
The blanket of gases that surrounds Earth is called the atmosphere.
Carbon dioxide:
Carbon dioxide is a chemical compound that is usually in the form of a gas. It is made up of one atom of carbon and two atoms of oxygen. Its chemical formula is CO2.
Composition of air:
Air is a mixture of 79% nitrogen, 20% oxygen, 1% carbon dioxide, water vapors, and some other gases. Air also contains dust particles.
Oxygen:
The odorless gas that is present in the air and necessary to maintain life. Its chemical formula is O2.
Nitrogen:
It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
Smoke:
Smoke is a cloud of very small, solid particles that is made when something is burned with a flame, such as wood or paper.
Windmill:
A windmill is a type of working engine. It converts the wind's energy into rotational energy. The energy made by windmills can be used in many ways.
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