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  COMMENT 3: POLLUTION Pollution consists of harmful substances to people. They are in air, soil and water. It is harmful because we all need clean air to live, if we breathe polluted air we can get sick, not only people but also plants and animals. An element that pollutes a lot is the smoke expelled by all the cars in the cities, especially trucks and buses. Very old vehicles should also be removed from circulation because they pollute and smell badly  and cause people to cough. Water in rivers is full of rubbish that people throw, chemical substances from factories and can no longer be used for drinking or cooking. What should we do to avoid this? -We must control the smoke released by factories and automobiles. -Use the bike more often and walk as much as possible. -We must be more ecological -We must prevent harmful substances from entering the rivers and seas. Pollution is leading to global warming and new diseases. I think that contamination, if it is not solved, could at least

  COMMET 1: ADOLESCENCE Adolescence is one of the stages of our life, it goes from childhood until you become an adult, that is, from approximately 9 years old to 18 years old. During adolescence we suffer physical and psychological changes. The physical changes are: your voice changes, armpit and pubic hair grows, facial hair appears, you get taller... The psychic changes: your way of thinking and your behavior is changing, there are more confrontations with your family… At this time of your life you spend most of the time at school and at home, in it you think that you want to be when you grow up, you become more mature... You must choose the friends that are best for you because they are the ones that will influence you to be a good person and not make mistakes. During this period you enjoy more freedom than in childhood. In adolescence, most adolescents try alcohol, something dangerous, because if you abuse it, it has negative repercussions. At this stage, feelings towards another