Write notes on the following.
(i) Carbon cycle.
(ii) Importance of atmospheric is gases.
(iii) Water vapour.
(iv) Dust particles
Answers
Explanation:
CARBON CYCLE : it is a process in which carbon travels from atmosphere into the organisms and the Earth and then back to atmosphere. plants take carbon dioxide from atmo and make their food.animals then eat the food . carbon is stored in their bodies or release outside through respiration .
IMPORTANTCE OF ATMOSPHERIC GASES : Nitrogen , Oxygen , watervapour , carbondioxide, methane , nitrous oxide , ozone are widely important to the health of Earth's biosphere . it makes Earth livable . they trap heat making for Earth a comfort temperature .
WATERVAPOUR : invisible waterdroplets in the atmosphere is called water vapours. they make the weather sultry , humid
eg : in coastal regions such as Switzerland get breeze from sea so the water heated by the sun move upward and with the seabreeze it comes to shore feeling very sultry . coastal regions have moderate temperature all year round
DUST PARTICLES : dust is made up of fine particles of solid matter .they can irritate our eyes , throat , skin.dist may contain microscopic particles that are small enoughto go deep into the lungs and cause disesas
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