Yo plz help no links What is the principle of faunal succession?
a. Break in Earth’s crust
b. Fossils found in deep layers of rock are older than those found above them c. Rock layers are slanted at angles
d. None of the above

The answer to this question is B
Explanation:

Description
Law of faunal succession, observation that assemblages of fossil plants and animals follow or succeed each other in time in a predictable manner, even when found in different places. ... Fossils help geologists establish the ages of layers of rock.

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.