Deforestation is a big deal. who benefits? who loses? , do the benefits outweigh the costs? are there any alternatives to current practices? why does it matter?

The correct answer should be brand c.

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.

Physical systems is the answer

Ithink the best answer is d increased stability of all other biomes