Which of the following takes place in the combustion chamber of a gas turbine engine? a. gases are cooled to a desired temperature. b. fuel oil is stored with sufficient pressure. c. a mixture of fuel oil and compressed air is ignited. d. fuel oil is mixed with a proper portion of compressed air.

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.

Plz put the answer choices thx.