Gneous rock is formed by the cooling and solidification of molten earth materials. igneous rock forms when magma or lava cools. if underground pockets of magma and solidify, igneous rock is formed, such as granite. a) cools quickly, extrusive b) cools quickly, intrusive c) cools slowly, extrusive d) cools slowly, intrusive

Compare and contrast physical changes with chemical changes.

Which statement would indicate the presence of an acid

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box