Coal mines in the Indian Territory had a reputation for being dangerous. Which of these disasters killed workers in Savanna, McCurtain, and Krebs? A. landslides B. methane explosions C. floods D. power losses

Match each model with its name and the name of the scientist who created it.

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.

What is the shaking of the earth 's surface due to sudden movements called?