Overview. A Power of Attorney (POA) is a legal way to have a person act on your behalf. The POA gives someone else the right to act on your behalf on matters that you list in the POA. If you are the person that gives the authority to someone to act on your behalf, then you are the principal.
The prefix tropo-denoting turning, a change, is derived from the Greek word tropos, a turning. The troposphere is the lowest level of atmosphere in which the temperature fall â¦ s as height increases.ropo-comes from the Greek tropos which means turning.. Meso-comes from the Greek mesos which means middle.. Thermo-comes from the Greek thermos which means hot.. Exo- â¦ comes from the Greek exÅ which means outside..
Making the world better, one answer at a time. The troposphere is the lowest layer of the earth's atmosphere and is the one that contains weather and which can support life. Its upper limit is the highest point that the suns heat can cause warm and moist air to reach. About 90% of the atmospheric mass is in the troposphere. You can tell because 90% of the pressure increase occurs in the troposphere. Pressure goes from zero in space to â¦ 100 mb at the tropopause to 1000 mb at the surface.