Answer:
Although you normally hear about trying to reduce or eliminate friction, it actually has some important uses.
Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications where you might want to hold items or do things and prevent slipping or sliding. In those cases, there is an advantage of having friction.
Quite often uses of frction can be seen from how things would be without friction. Without friction, you would not be able to walk, drive a car, or hold objects. Pens and pencils would not work.
Explanation:
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The governments of different countries are becoming more involved in protecting the environment as well as preserving biodiversity. Many different acts are issued in order to accomplish this.
One very prominent agency playing a role in this is the United States Environmental Protection Agency. This agency helps in maintaining a healthy environment for the life of earth to live in.
