Thiobacillus denitrificans is a species of bacteria that obtains its energy from carbon dioxide and inorganic compounds such as nitrogen in its environment. it is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed. how does thiobacillus denitrificans bioremediate groundwater?

1. what other famous event was going in on africa in 1994? 2. why does the country of rwanda use francs as their currency? 3. when paul s neighbor (victor) gets attacked, what does paul do? why? 4. what was the significance of the phrase "cut the tall trees"? 5. when violence breaks out, who comes to ? who gets ? who does t get ? 6. when paul realizes no one is coming to the rwandan refugees, he tells them there is only one way for them to get . what is it? 7. what deal does george try to make with paul? 8. why didn t any foreign countries try to stop the hutus? 9. what event sparked the beginning of the genocide? who does that event get blamed on? 10. who was supplying the hutu army? 11. what did 19th century imperialism have to do with this 20 century genocide? 12. where did the classifications of hutu and tutsi come from in rwanda? 13. why are some people being and others are not? 14. if you were in paul s position, do you think your reaction would have been the same as his? explain. 15. how did the international community fail the people of rwanda? why were they so reluctant to act? what is our responsibility as global citizens in these kinds of events? how are events in rwanda and darfur conceded to 19th century imperialism?

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Topographic maps are used to measure a-composition b-movement c-elevation d-texture