If ur a cutie take these;)

Thank you sooo much
But I am not a cutie

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

2pi more meters because you find the circumference which is 6pi and 4pi and subtract it and you get 2pi