8.Solution is when... Single choice. Rock is bounced along the river bed

Rock is rolled along the river bed

Rock is dissolved and transported in water

​

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.

The correct answer is a)  a resource with a limited supply; it will run out.

An oceanic-oceanic convergent boundarycredit to user

Boreal forest another word for this is taiga.but it is a biomes, that stretches across the northern regions of north america, europe, and asia.~ hope this ! (if this is correct may i have brainy? )