Answer:
Greenhouse gases, including water vapor, carbon dioxide, and methane, form a small percentage of the overall atmosphere, yet they play an important role, trapping the heat required for life on Earth.
Mantle convection - is when the plates move around the asthenosphere and the magma moves in circular patterns due to heat.
Movement of tectonic plates is related to convection currents in the earth's mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.
Polar stratospheric clouds<span>. </span>Polar stratospheric clouds<span> (PSCs) play a central role in the formation of the </span>ozone<span> hole in the Antarctic and Arctic. ... These reactions lead to the production of free radicals of chlorine in the </span>stratosphere<span> which directly destroy</span>ozone<span> molecules.</span>
Answer:
production and manufacturing industries in Bhutan and should be considered together with the Companies Act of the Kingdom of Bhutan 2000, the Rules and Regulations ... Small Scale categories as indicated in Annex - II; and. (ii) ... the country, every effort has been made to modernize the trade and industrial sectors.
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