Answer:
12 years is the answer good luck sit
Aa is lava that forms a thick ,brittle crust . Pahoehoe is a lava that
forms a thin crust. Pillow lava forms when lava erupts underwater.
Blocky lava is kool, stiff lava that does not travel far from thr
eruption site.
I believe that the answer to the question provided above is that the
Corona
Convection Zone
Radiative Zone
Core
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