All of the following are considered to be part of the biosphere, except . A.
birds in the atmosphere
B.
earthworms in the ground
C.
rocks on the side of a mountain
D.
fish in the ocean

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;

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.