28 окт. 2022 г. · Some parts of the mantle are hotter than others, due to nuclear decay of radioactive minerals, leading to convection currents. These convection ...

4 окт. 2021 г. · Convection currents occur when a heated fluid expands, becoming less dense, and rises.

12 сент. 2020 г. · Convection currents are caused by the circulation of matter due to warm material rising and cool material sinking. the material in the ...

1 июл. 2018 г. · Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the ...

30 мая 2022 г. · The main cause as in all convection currents is heat and Gravity . The asthenosphere is that part of the earths diameter that starts at ...

20 июл. 2015 г. · Convection currents are caused by the very hot material at the deepest part of the mantle rising, then cooling, sinking again and then heating, ...

6 июн. 2018 г. · Convection currents do not cause the movement of the earth as a whole, but only of the tectonic plates that make up the earth's crust.

9 мая 2016 г. · A convection current is a current created by the up and down motion of the air as it changes temperature.

4 окт. 2021 г. · Convection currents in earths mantle are caused by the rise of hot material rising towards the crust, becoming cooler and sinking back down.

7 нояб. 2020 г. · Convection currents are caused by the very hot material at the deepest part of the mantle rising, then cooling, sinking again and then heating, ...