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>
Early scientific attempts st determining Earth's age gave a number that was around 4.6 billion years old.
<h3>Radiometric dating methods</h3>
The age of rocks can be most determined by radiometric dating.
This process of radiometric dating makes use of two different isotopes of a sample.
It is known that Radioactive isotopes break down within a known amount of time and this enables geologists to determine the age of a sample with the aid of equipment like thermal ionization mass spectrometer.
Learn more about Radiometric dating at
A sky map is created by astronomers to identify, name, and plot celestial objects it is a map of the sky made by dividing the celestial sphere into 88 different areas.
Answer:
That power is the congresses because that's how founding fathers thought it would balance the government.
Explanation:
Probably because they did not want what happened with the king to happen in the US
Answer:
neither of you are right
Explanation:
china and japan are two completely different countries. Both people from each country are asian, but each are chinese and japanese respectively.
