Q: In which symbiotic relationship does one organism benefit while the other organism is harmed? A. commensalism B. parasitism C. mutualism D. competition A: In parasitism does one organism benefit while the other organism is harmed.
We're going to dig it! ---------------------. Stonehenge Building Materials: For those unfamiliar with the 5 basic rock types at Stonehenge; here is a list of them in chronological order of their first arrival. 85 MYA White Chalk - The outcrop sedimentary rock of Stonehenge is Late Cretaceous Period, Santonian Age, calcium carbonate. Late Cretaceous Period outcrop sedimentary rock is the in situ construction material used by the Stonehenge builders. This material is approximately 85 million years old. This stone is called Seaford Chalk Formation rock. White in color, this building material is from Stonehenge Ditch Mining area. 3100 BC Whitestone - The oldest limestone sedimentary rock of Stonehenge is Early Carboniferous (Mississippian) Period, Arundian Age, calcium carbonate.
1. Stone vessel materials used over ancient Egyptian history (Aston 1994, Lilyquist 1995, Nicholson & Shaw 2000) The earliest materials used were limestone, basalt, travertine, limestone breccia, and hornblende diorite during the early Predynastic period (Aston 1994).