Question

which of the following would be a clue that a rock is igneous? choose one option a it has crystals. b it has a complete fossil in it. c it has bands. d it is very soft.

Explanation:

Igneous rocks form from the cooling and solidification of magma or lava. As magma/lava cools, minerals crystallize. Fossils are in sedimentary rocks (formed from sediment accumulation, where dead organisms can be trapped). Banded rocks are often metamorphic (formed by heat and pressure altering pre - existing rocks). Softness is not a defining characteristic of igneous rocks.

Answer:

A. It has crystals.