Q: Extract the answer to the question from the following context. Question: How long has jewelry been made from silver, gold, platinum, and copper? Context: Iron is usually found as iron ore on Earth, except for one deposit of native iron in Greenland, which was used by the Inuit people. Native copper, however, was found worldwide, along with silver, gold and platinum, which were also used to make tools, jewelry, and other objects since Neolithic times. Copper was the hardest of these metals, and the most widely distributed. It became one of the most important metals to the ancients. Eventually, humans learned to smelt metals such as copper and tin from ore, and, around 2500 BC, began alloying the two metals to form bronze, which is much harder than its ingredients. Tin was rare, however, being found mostly in Great Britain. In the Middle East, people began alloying copper with zinc to form brass. Ancient civilizations took into account the mixture and the various properties it produced, such as hardness, toughness and melting point, under various conditions of temperature and work hardening, developing much of the information contained in modern alloy phase diagrams. Arrowheads from the Chinese Qin dynasty (around 200 BC) were often constructed with a hard bronze-head, but a softer bronze-tang, combining the alloys to prevent both dulling and breaking during use.
A: since Neolithic times

Q: Extract the answer to the question from the following context. Question: What has not been received less by Zhejiang than other parts of China in part due to the chance that water levels will rise? Context: Zhejiang benefited less from central government investment than some other provinces due to its lack of natural resources, a location vulnerable to potential flooding from the sea, and an economic base at the national average. Zhejiang, however, has been an epicenter of capitalist development in China, and has led the nation in the development of a market economy and private enterprises. Northeast Zhejiang, as part of the Yangtze Delta, is flat, more developed, and industrial.
A: central government investment

Q: Extract the answer to the question from the following context. Question: What is investigated when the Riigikogu feel that they need to question the government? Context: The Riigikogu elects and appoints several high officials of the state, including the President of the Republic. In addition to that, the Riigikogu appoints, on the proposal of the President of Estonia, the Chairman of the National Court, the chairman of the board of the Bank of Estonia, the Auditor General, the Legal Chancellor and the Commander-in-Chief of the Defence Forces. A member of the Riigikogu has the right to demand explanations from the Government of the Republic and its members. This enables the members of the parliament to observe the activities of the executive power and the above-mentioned high officials of the state.
A: the activities of the executive power and the above-mentioned high officials of the state

Q: Extract the answer to the question from the following context. Question: Where around the county are you more likely to find wool-producing creatures? Context: To the east of the county are upland areas leading to the Pennines. North of the Ribble is Beacon Fell Country Park and the Forest of Bowland, another AONB. Much of the lowland in this area is devoted to dairy farming and cheesemaking, whereas the higher ground is more suitable for sheep, and the highest ground is uncultivated moorland. The valleys of the River Ribble and its tributary the Calder form a large gap to the west of the Pennines, overlooked by Pendle Hill. Most of the larger Lancashire towns are in these valleys South of the Ribble are the West Pennine Moors and the Forest of Rossendale where former cotton mill towns are in deep valleys. The Lancashire Coalfield, largely in modern-day Greater Manchester, extended into Merseyside and to Ormskirk, Chorley, Burnley and Colne in Lancashire.
A:
the higher ground