why did many of the people who worked to clean up the WTC site continue to work down there even when they suspected the enviroment was toxic and they were risking their health?

The answer is closed primary.

All you have to do is pee in some of the number so that's between x 3 the p is like the prime number so i'll let you do is check for primus pride i've been 7 3 4 5 and 6 and you can you can just times or / that

Abortion would be the most interesting topic to me