Seafloor spreading is a phenomenon that occurs at mid-oceanic ridges, such as the mid-atlantic ridge. new crust, which is created by volcanic activity, spreads away from the ridge. seafloor spreading could be one reason

The continents are drifting apart

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radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

answerthey are called the pampas;