Because it lies at the crossroads of four tectonic plates, mexico’s central plateau a. is too geographically unstable to support a large population. b. is frequently hit by tropical storms and hurricanes. c. is the site of frequent earthquake and volcanic activity. d. is a poor area for farms and ranches.

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a. organisms would evolve to increase variety b. natural selection would operate faster c. less food would be available d. evolution through natural selection would not occur

Which modern technology has not made a great difference in the inuit way of life?

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity