What are igneous rocks made of A. a moisture of materials made from both living and no living processes
B. Materials that crystallized from magma or not lava, not from once living things
C. Materials that came from living things and that accumulated on the sea floor
D. Fossil fuels and other materials that came from once living things

B

Explanation:

Igneous rocks are formed by the solidification of magma or lava.

Igneous rocks are made of B. materials that crystallized from magma or not lava, not from once living things

Explanation: Igneous rocks are formed from the solidification of magma, which is a hot (600 to 1,300 °C, or 1,100 to 2,400 °F) molten or partially molten rock material. Earth is composed predominantly of a large mass of igneous rock with a very thin veneer of weathered material—namely, sedimentary rock.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.