The house was built from limestone.
A type of rock that is mainly made of calcium carbonate and is often used in building and construction.
The fossils were found in the limestone layers.
A sedimentary rock that can contain fossils and is formed from the remains of marine organisms.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี
