When did oil become a valuable resource?

What word means did fall and also me and to cut down the tree? Are acid rain and pollution the same thing? How many years must people reside in the us to apply for citizenship? If Im paying disibility to your kids out of your dis check if the mother goes on welfare do you still have to pay child support? Is working visa in the US can petition? Why would no one admit they bully? How can a boy steal his older sisters boyfriend? Do animals have a part in pollution? All living things break down what to make energy? Is erika linder transgender? What term applies to this situation a business closing because the old growth froest was not cut down? How much CO2 can earth bare a year? How public services have affected society? Why won't people answer my questions? Where can a Non US citizenship travel? Is homosexuality perversion? Are there chinese immigrants in Texas? Are red pandas mammals? What are the political views over euthanasia? What rights do homeless people have?