Which of the following was not a factor that encouraged early humans to urbanize? A. adapting to climate changes
B. sharing agricultural resources
C. creating governments
D. sharing cultures
Please select the best answer from the choices provided.

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

These factors threaten north americas ecosystems

Whats the biggest sea in the world?