paano nakatutulong sa matalinong pagdedesisyon ang mga konsepto ng trade off, oppotunity cost, incentives, at thinking???

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

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

Which statement about new zealand’s first inhabitants is not true? a. the maori have no political power today. b. the origin of the maori is in dispute by scholars. c. the maori are trying to reassert their claims to the land. d. the maori lost most of their land in the 1800s to the british colonists. (gradpoint)