choose the correct phrase to complete the sentence 1: the layer below the mantle is the outer core/crust 2: convection current are present in the inner core/mantle 3: tha layer that contains the most iron and nickel is the mantle/core? 4: the oceanic crust is thin and heavy/thick and heavy 5: continental crust is thick ang light/thin and heavy 6: if the earth was a guava fruit, the space where the seeds are would be the core/mantle 7: the core/ mantle is earth enternal heat source 8: the earth interior is studies by sending robot down to the corr/earth quakes 9: the hottest layer of the earth is the mantle/ core 10: the layer which has 2/3 of the earth mass is the crust/ mantle 11: the piece of the earths crust are the planet/contents 12: planets move due to convection in the mantle/ movement in the core