Answer: Metal Detectors
Explanation: Metal detectors are inexpensive and easy to use equipment used to discover relics of the past. While it is useful in archaeology as a tool that discovers objects from the past quite easily, it is also a threat to archaeology. Some hobbyists and looters who come across archaeological finds which may be important to understanding past civilizations or a different era do not report these finds. Even worse, some looters knowingly infringe on archaeological sites and are aided by the metal detectors.
More the. 80% of Canada’s farms are located in one of the 3 perspire provinces, the area has rich soil that’s suited for growing different grains, they grow various products and raise animals such as beef and dairy cattle farms and even sheep
your answer would be D: crust and outer part of the mantel
