What year did we switch from 20th to 21st century -fox?

Which of the following was a goal of european conservation in the early 1800

Which physical feature minimizes population density in northern africa?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a. creating terraces for farm fieldsb. practicing religious ceremoniesc. playing a ball game with stone hoopsd. protecting a city from invading armies