#4879

7278

April 23, 2014, 7:19 p.m.

⚐ Report

//Block A chem //Pham starts talking about a reaction that forms ammonia Pham: Guy, this the most important reaction for life. You know why? You need ammonia form ammonium nitrate. What you do with ammonium nitrate? Student: Fertilizer? Pham: That correct. You need fertilizer grow food, feed all the people. What else you use ammonium nitrate for? Amy: Bombs? Pham: Yeah! When there too many people, not enough food, you go drop bombs on them. Then there more enough food. What you call this? Jordi: Extermination? Pham: No! It called natural--selection!