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Answer:

Although friction has disadvantages I prefer to live in the presence of friction. Below are the advantages of friction:

1. It saves us from slipping. Many accidents will occur in the absence.

2. It burns asteroids as it travels in the atmosphere and whenever it reaches the earth it becomes very small and cannot cause destruction.

3. It produces heat, this can be observed when rub matchstick to it's box allowing it to ignite.

Then the following are the disadvantages of friction:

1. It makes travel slow especially if travelling on slope surface.

2. It could make wearing away of parts of a machine.

3. The heat it produce may cause damage to a machine.