D. Made of ash and pieces of rock rich in silica.
Should be your answer!
Frontal bone, lacrimal, maxilla, ethnoid, zygomatic and palatine contribute to the formation of the orbit.
Happy Studying! ^=^
Answer: B. Any cells of the human body or placenta.
Explanation:
All types of cells in the human body can develop from pluripotent stem cells. Embryonic stem cells are also considered pluripotent.
A rock that forms when magma hardens beneath Earth's surface is called an intrusive igneous rock.
