Answer:
The presence of strong magnetic fields results in the slow convection and also prevents the movement of hot plasma from entering the region
Explanation:
The photosphere refers to the visible surface of the sun, whereas the sunspots are the small dark spots that occur on the surface of the sun. These sunspots are comparatively cooler than the other gases that are present in the photosphere. It is because of the presence of the strong magnetic field, that lowers the surface temperature and reduces the effects of convection process and does not allow the movement of hot plasma into the region.
Due to this obstruction in the release of heat in the sun's surface, the sunspots are cooler than the surrounding gases.
Answer:
luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit.
Explanation:
1. We know the earth is getting warmer because temperatures have risen all around the globe. Also, the Arctic is melting.
2. The Earth temperature changes because of green house gases and harmful gases being sent into the atmosphere.
3. The greenhouse effect is a process that occurs when gases in Earth’s atmosphere trap the Sun’s heat.
4. Factories.
5. It could cause more flooding and a rise of warmer temperatures.
6. Permafrost is ground that continuously below 0 degrees Celsius for two or more years.
Hope this helps!
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