The answers are:
- air pollution; the bigger cities create lots of dust, there's always new building sites that contribute to dust and some of the working materials to pollute the air. Also there's big amount of vehicles that release toxic gases, as well as the industry.
- housing shortages; the more people there are at some city, the more difficult it is to have space for everyone, because usually the process of building new homes doesn't correspond with the amount of people coming in.
- overcrowding; the larger the population at some place, the more crowded it gets, be it in traffic, walking, in stores, institutions...
- water pollution; more people means more pollutants in the water they are using, which in return creates water shortages because big portion of the water can not be used afterwards.
- water shortages; the amount of fresh water is limited, so once the population surpases the optimal number problems with fresh water start to occur. To this also contributes the irresponsible usage of water.
The correct answer is: A: The first republic to secede from county of Yugoslavia in 1990s was Slovenia. In 25 June of 1991, Slovenia declared independence, and it was internationally recognized as an independent state in 1992 by many European countries. Slovenia and Macedonia separated with out conflicts, but separation of Croatia and Bosnia and Herzegovina resulted in civil war on their territories. Today, there is six sovereign states, which were part of Yugoslavia after the WW II: Serbia, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro and Macedonia.
Answer:
A tissue, organ or organism that is made up of many cells is said to be multicellular. Animals, plants, and fungi are multicellular organisms and often, there is specialization of different cells for various functions.:)
Astronomers use redshirts to track the rotation of our galaxies, tease out the subtle tug of a distant plant on its parent star, and measure the expansion rate of universe.
