exposed+to+risk+or+danger
71materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
72Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
73DDT — For other uses, see DDT (disambiguation). DDT …
74Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
75Cat — For other uses, see Cat (disambiguation) and Cats (disambiguation). Domestic cat[1] …
76Pregnancy — For pregnancy in non human animals, see Pregnancy (mammals). Pregnancy Classification and external resources A pregnant woman at the end of the second trimester. ICD 10 …
77ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
78List of Heroes characters — From left to right: Micah, Niki, Nathan, Peter, Noah, Claire, Hiro, Mohinder, Matt, Sylar This is a list of fictional characters in the television series Heroes …
79Mountaineering — Alpinist redirects here. For the magazine, see Alpinist (magazine). For the practice of closed circuit diving without a bailout, see Rebreather#Bailout. Mountaineer redirects here. For other uses, see Mountaineer (disambiguation). Basecamp… …
80Budapest Gambit — The Budapest Gambit (or Budapest Defence) is a chess opening beginning with the moves:1. :2. It is rarely played in top level chess, but it is occasionally seen at amateur levels. It has two codes in the Encyclopaedia of Chess Openings, A51 (1.d4 …
