The theory that us understand earthquakes and volcanic activity is: the big bang. evolution. plate tectonics. none of the above.

How did the lab activities you answer the lesson question: what effect does plate movement have on geologic events and structures at earth’s surface? what did you learn from conducting this lab?

What is unusual about the iraq mountains ,in spite of their old age?

According to the population pyramid, in 2000 china had about 120 million people in which age-group?