Does the system of checks and balances allow for or constrain change

Answergoogle earth; i believe this is the correct answer, plz check first;

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.

He want to contact the red cross/red crescent because they are the main non profit organization that deals with disasters around the world 

The answer to the first one is barometer.