Question

Ageologist examines a rock sample that consists of flat layers. Under a microscope, the rocks appear to consist of grains of sand cemented together. What type of rock is this?

A. molten
B. igneous
C. sedimentary
D. metamorphic

Answer 1

Answer: The correct answer is C - Sedimentary.

Explanation: Sedimentary rocks are made up of layers of sediment, such as sand and other particles, that are cemented together. Igneous rocks form from molten material, while metamorphic rocks form from existing rocks that have been changed due to intense heat or pressure.