Answer:
The magnetic field is generated by electric currents due to the motion of convection currents of molten iron in the Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.
I wpupd say D but im not sure
Here one of the answer Red Cedar Tree
Answer:
Warm air is cooling quickly.
Explanation:
Hot air rises and cool air sinks.
