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>
Answer:
countries and populations depending on each other for resources, goods, and services
Explanation:
The global interdependence have been becoming stronger and stronger as the globalization process have been spreading out more and more. Basically, the global interdependence means that the countries and their populations have started to act like one big global village, where they are dependent on each other, be it for resources, goods, or services. This has led to the countries and people being much more connected, and also more specialized in certain things, so one country or region provides something for the others, another country or region something else, and so on, making everyone connected and dependent from each other.
Explanation:
it changes how the land is and what happens to it
To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
