https://4d4f.eu/content/nascarmartinsville-speedway-first-data-500-live-stream
9000/10=900 people per square mile
Convection currents occur in the MANTLE. The mantle is the second layer of the earth after the crust. The mantle is approximately 2900 km thick. Convection currents are triggered or fueled by the heat from the Earth's core.
The part of the mantle closest to the core gets heated. It then becomes less dense than the layers above so it rises. When this rising plume interacts with the crust it cools and becomes more dense than the layers below and so it sinks and this circular motion continues to form convection currents.
Answer:
D: The inner core is liquid and moving.
Explanation:
Answer:
1:A, as the primary sector is for the extraction of raw materials and logging includes the extraction of the raw material of wood.
2:C, as the Tertiary sector is in charge of service, downloading music is a service.
3:Shanna would be in the secondary sector as the secondary sector is in charge of manufacturing goods, vehicles, ect