english examen tomorrow - please help me

1b00Could you please read through this text and correct it!02b02br
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01b00Immigrants02b02br
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01b00Day labour02b00: These immigrants’ sits in parks or on the streets and they are wait until they will be picked up in order to work somewhere, just for one day.02br
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00They do it because they might have problems getting another job, or are illegally, or it is the only chance getting a job and some money.02br
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01b00money02b00: They need the money in order to survive or to pay food. Sometimes the families are still in Mexico and they send home the money.02br
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01b00illegal02b00: Illegal immigrants usually does not have that social network as a legal immigrant. Because the illegal immigrants are less likely to get to know somebody because they cant trust on anybody. There is always the danger that they are reported to the police, and to be arrested. 02br
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00There are overlapping societies between 0101b00Mexico02b0200 and the 00, because sometimes the immigrants are needed, because they do the bad jobs. These immigrants work for very 01b00low amount of money02b00, so they are cheap workers. 02br
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01b00Gun laws02b02br
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00You have to be 21 to be allowed to by a handgun or ammunition. You only have to be 18 in order to buy a shotgun or hunting guns from a shop.01b00 Loop holes 02b00As a matter of fact, many people try to buy guns through private sale, also people can buy guns at gun shops and guns could be bought illegally as for example in gang areas. 01b00Not allowed02b00. People who have been sent out of the army and people who have committed any kind of crime or violence are not allowed to buy any weapons. 02br
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00In 01b00school shootings02b00 the criminal people are younger than 18, and they often are taking the guns from their parents. Nearly every household have guns at home, 02br
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00if this guns don’t locked up, the parents will be arrested as well. Since 1996 at least 110 students, teachers,.. have been killed in world wide school shooting incidents. 02br
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00A lot of school shootings could have been prevented because the killer had told some friends of him or her about his plans in advance, but the friends did not tell him off, because there is the social code of silence. In the 01b00Santiago02b00 school shooting the person was being teased and bullied all the time and there was a lot of provocation by other students. 01b00Columbine02b00 high school have been planed in one year and a half, so it could not have been prevented.02br
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01b00School systems: 0100Great Britain0202b00: Nursery school, primary school, secondary school, further education; 01b00difference02b00: 3 terms, academic year is 39 weeks; school starts at 8.45 a.m. 01b00America02b00: Kindergarten, elementary school, junior high school, senior high school, 01b00difference02b00: 2 semester, academic year is 180 days, school starts at 8.00 a.m.01b00problems02b00: Drug availability on school property, Students use of alcohol on school property, there are gangs at school, there are physical fights on school property, there is a lot of bulling02br
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00Please send the correct text to (deleted by moderator)0-