I don't ask you, I'm going to ask you three multiple choice question use this device, use this device to answer. The first question is, how did the number of deaths per year from natural disaster? How does that change during the last century? Did it more than double? Did it remain about the same in the world as a whole oddity decreased to less than that? Please answer please answer A, B, or C. I see lots of answer. This is much faster than I do it at universities, they are so slow, they keep thinking thinking thinking, Oh, very, very good.

And we go to the next question. So how long did women 30 years old? In the world? Go to school? Seven years, five years, or three years A, B, or C, please answer.

And we go to the next question. In the last 20 years, how did the percentage of people in the world who live in extreme poverty change extreme poverty and not having enough food for the day? Did it almost double? They did remain more or less the same? Or they did have a BRC? Now answers, you see that from national disasters in the world, you can see from this graph here, from 1900 to 2000. 

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