Geodesists define the geoid as:. a. a mathematical shape that lies just below the lowest point on Earth. b. the gravitational surface upon which water would rest. c. the reference point for geodetic surveys. d. the coordinate system by which land parcels are subdivided.

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.