What would adherents check to find out when to celebrate particular holy days in the Catholic religion? doctrine

solemnities

church calendar

denominations

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

Answertill;

Most topographic maps, the index contour lines are generally darker and are marked with their elevations.