The sun's energy drives various processes on earth. One of these processes is photosynthesis in plants whereby light energy is converted into chemical energy by forming carbohydrates from carbon dioxide plus water, which is a process which usually gives off oxygen which animals need to breathe. Another process driven by the sun's energy could be evaporation of water into the air to form water vapour and clouds which then precipitate when cooled off over mountains so is involved in the water cycle.
I think the correct answer from the choices listed above is the third option. It is an outbreak of psoriasis that is not a <span>possible indicator of a biological agent. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
<span>Human immunodeficiency virus or better known as HIV disables the immune system </span>
