エルグとは何ですか、そしてそれらは人々にどのような課題をもたらしますか ？ What is an erg, and what challenges do they pose for people?

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Why did the united states lead a coalition to invade iraq in 1991? o a. there was a fundamentalist revolution in iraq. o b. iraq had invaded iran. o c. an oil embargo had started in the middle east, o d. iraq had invaded kuwait.

The nations of indochina a. share a common langauge b. share a common history c. share a common religion d. none of the above