Describe the atmosphere role in moderating the amount of electromagnetic radiation necessary to sustain life on earth

The atmosphere plays a vital role in moderating the amount of electromagnetic radiation necessary to sustain life on earth because atmosphere creates a blanket on overall earth to restrict the incoming harmful rays or electromagnetic radiation.

Explanation:

Atmosphere has five important layers. Each of which plays a significant role in shaping earth's environment. Atmospheric layers are troposphere, stratosphere, mesosphere, ionosphere and exosphere. Stratosphere prevents harmful UV rays from reaching to the earth's surface.

Ozone layer prevents harmful rays from entering into earth environment. Because in the presence of these harmful gases global life will become miserable. Global warming, acid rain are some of the incidents caused due to these harmful gases.

most cajuns resided in acadiana, where their descendants are still predominant

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.