Twenty-four specific objects transmit complex radio codes, including time signals traveling at the speed of light. You can contact at-least 4 of the objects at anytime of the day or night. The technology described above allows the determination of which of the following?

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.

Answermongolia;