The answer would be: <u>Molten material that cooled quickly.</u>
Igneous rocks are formed by the cooling of molten material. So we can cross out the last two choices. The rock has no identifiable crystals so it is most likely an Extrusive igneous rock. They form on the surface where they cool quickly.
Those that form underground are called intrusive rocks. They cool slowly allowing enough time for crystal formation.
Answer:
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is the visible spectrum that is visible to the human eye and is responsible for the sense of sight.
Cell-mediated immunity <span>provides defense against viruses, abnormal cells, and other intercellular pathogens.</span>
Answer:
ok dang it i just had the answer
Explanation:
No.Tissue is a group of cells.If the organisms is single called,it can't form a group to make tissues.
