Where was the ancient maya civilization located?

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit

The graph below plots the temperature and luminosity of stars on the main sequence.