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In free-range husbandry, the birds can roam freely outdoors for at least part of the day. Often, this is in large enclosures, but the birds have access to natural conditions and can exhibit their normal behaviours. A more intensive system is yarding, in which the birds have access to a fenced yard and poultry house at a higher stocking rate. Poultry can also be kept in a barn system, with no access to the open air, but with the ability to move around freely inside the building. The most intensive system for egg-laying chickens is battery cages, often set in multiple tiers. In these, several birds share a small cage which restricts their ability to move around and behave in a normal manner. The eggs are laid on the floor of the cage and roll into troughs outside for ease of collection. Battery cages for hens have been illegal in the EU since January 1, 2012.

How are eggs collected in teh battery cage system?
Answer: The eggs are laid on the floor of the cage and roll into troughs outside for ease of collection
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In 1637 a small party of Puritans reconnoitered the New Haven harbor area and wintered over. In April 1638, the main party of five hundred Puritans who left the Massachusetts Bay Colony under the leadership of the Reverend John Davenport and the London merchant Theophilus Eaton sailed into the harbor. These settlers were hoping to establish a (in their mind) better theological community, with the government more closely linked to the church than the one they left in Massachusetts and sought to take advantage of the excellent port capabilities of the harbor. The Quinnipiacs, who were under attack by neighboring Pequots, sold their land to the settlers in return for protection.

Who was the religious leader of the original Puritan settlers?
Answer: Reverend John Davenport
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Part of the Russian resistance was credited[by whom?] to the deployment of newly invented blockade mines. Perhaps the most influential contributor to the development of naval mining was a Swede resident in Russia, the inventor and civil engineer Immanuel Nobel (the father of Alfred Nobel). Immanuel Nobel helped the Russian war effort by applying his knowledge of industrial explosives, such as nitroglycerin and gunpowder. One account dates modern naval mining from the Crimean War: "Torpedo mines, if I may use this name given by Fulton to self-acting mines underwater, were among the novelties attempted by the Russians in their defences about Cronstadt and Sevastopol", as one American officer put it in 1860.

Immanuel Noble had expensive knowledge in what field?
Answer:
industrial explosives