Article: Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-white metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weakly radioactive because all its isotopes are unstable (with half-lives of the six naturally known isotopes, uranium-233 to uranium-238, varying between 69 years and 4.5 billion years). The most common isotopes of uranium are uranium-238 (which has 146 neutrons and accounts for almost 99.3% of the uranium found in nature) and uranium-235 (which has 143 neutrons, accounting for 0.7% of the element found naturally). Uranium has the second highest atomic weight of the primordially occurring elements, lighter only than plutonium. Its density is about 70% higher than that of lead, but slightly lower than that of gold or tungsten. It occurs naturally in low concentrations of a few parts per million in soil, rock and water, and is commercially extracted from uranium-bearing minerals such as uraninite.

Question: Of what series in the Periodic Table of Elements is uranium a part?
Ans: actinide

Article: According to Archibald Sayce, the primitive pictograms of the early Sumerian (i.e. Uruk) era suggest that "Stone was scarce, but was already cut into blocks and seals. Brick was the ordinary building material, and with it cities, forts, temples and houses were constructed. The city was provided with towers and stood on an artificial platform; the house also had a tower-like appearance. It was provided with a door which turned on a hinge, and could be opened with a sort of key; the city gate was on a larger scale, and seems to have been double. The foundation stones or rather bricks of a house were consecrated by certain objects that were deposited under them."

Question: What was the ordinary building material of Sumerians?
Ans: Brick

Article: Glass remained a luxury material, and the disasters that overtook Late Bronze Age civilizations seem to have brought glass-making to a halt. Indigenous development of glass technology in South Asia may have begun in 1730 BCE. In ancient China, though, glassmaking seems to have a late start, compared to ceramics and metal work. The term glass developed in the late Roman Empire. It was in the Roman glassmaking center at Trier, now in modern Germany, that the late-Latin term glesum originated, probably from a Germanic word for a transparent, lustrous substance. Glass objects have been recovered across the Roman empire in domestic, industrial and funerary contexts.[citation needed]

Question: What word does "glass" come from?
Ans: glesum

Article: Rajasthani cooking was influenced by both the war-like lifestyles of its inhabitants and the availability of ingredients in this arid region. Food that could last for several days and could be eaten without heating was preferred. The scarcity of water and fresh green vegetables have all had their effect on the cooking. It is known for its snacks like Bikaneri Bhujia. Other famous dishes include bajre ki roti (millet bread) and lashun ki chutney (hot garlic paste), mawa kachori Mirchi Bada, Pyaaj Kachori and ghevar from Jodhpur, Alwar ka Mawa(Milk Cake), malpauas from Pushkar and rassgollas from Bikaner. Originating from the Marwar region of the state is the concept Marwari Bhojnalaya, or vegetarian restaurants, today found in many parts of India, which offer vegetarian food of the Marwari people. 4 Dal-Bati-Churma is very popular in Rajasthan. The traditional way to serve it is to first coarsely mash the Baati then pour pure Ghee on top of it. It is served with the daal (lentils) and spicy garlic chutney. Also served with Besan (gram flour) ki kadi. It is commonly served at all festivities, including religious occasions, wedding ceremonies, and birthday parties in Rajasthan. "Dal-Baati-Churma", is a combination of three different food items Daal (lentils), Baati and Churma (Sweet). It is a typical Rajasthani dish.

Question: Along with scarce green vegetables, what had an impact on Rajasthani cooking?
Ans:
scarcity of water