When the surfaces of solid materials scrape and grind against each other , it’s called ?

Explain how a convection current in the earth is formed.

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.

Select the natural regions. delta denver forest georgia north america plateau stream