The earthworms help the soil by making the soil fertile....

Just tell him or else you do a thing which can make him surprise...make a thing that cannot offend to him....

You need to do is to study hard about that subject or you may ask the coverage of your exam....so that the part you've being studied is part of your exam...

I don't think so.....because if milk have worms or whatever.....the government will not allow us to drink milk??