Describe the distribution of major earthquakes shown in South east asia

Which of the following statements about wearher along mountain ranges is correct

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire

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