ऊंचाई पर सांस लेने में तकलीफ क्यों होती है
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Answer:
Lava is molten rock (magma) that has been expelled from the interior of some planets (including Earth) and some of their moons. Magma is generated by the internal heat of the planet or moon and it is erupted as lava at volcanoes or through fractures in the crust, usually at temperatures from 700 to 1,200 °C (1,292 to 2,192 °F). The solid rock resulting from subsequent cooling is also often described as lava.
10-metre-high (33 ft) fountain of pāhoehoe lava, Hawaii, United States
Lava flow during a rift eruption at Krafla, Iceland in 1984
A lava flow is a moving outpouring of lava created during a non-explosive effusive eruption. When it has stopped moving, lava solidifies to form igneous rock. The term lava flow is commonly shortened to lava. Although lava can be up to 100,000 times more viscous than water, lava can flow great distances before cooling and solidifying because of its thixotropic and shear thinning properties.[1][2]
Explosive eruptions produce a mixture of volcanic ash and other fragments called tephra, rather than lava flows. The word lava comes from Italian, and is probably derived from the Latin word labes which means a fall or slide.[3][4] The first use in connection with extruded magma (molten rock below the Earth's surface) was apparently in a short account written by Francesco Serao on the eruption of Vesuvius in 1737.[5] Serao described "a flow of fiery lava" as an analogy to the flow of water and mud down the flanks of the volcano following heavy rain.
Explanation:
Answer:
सांस लेने में दिक्कत एक आम समस्या है। ज्यादा खाना खाने के बाद भी सांस लेने में परेशानी अनुभव हो सकती है, लेकिन यदि ऐसा बार-बार होता है और लंबे समय तक यह स्थिति बनी रहती है तो ध्यान देने की जरूरत है।