AIR POLLUTIONGREENHOUSE EFFECTACID RAINACCIDENTAL POLLUTIONFIND OUT MOREPollution is waste that we put into the environment. It can harm plants and animals, including humans. Pollution comes…
(Encyclopedia) Murray, John, 2d marquess and 1st duke of AthollMurray, John, 2d marquess and 1st duke of Athollmûrˈē, [key]Murray, John, 2d marquess and 1st duke of Athollăthˈəl [key], 1660–1724,…
(Encyclopedia) MacVeagh, Isaac WayneMacVeagh, Isaac Wayneməkvāˈ [key], 1833–1917, American political figure, U.S. Attorney General (1881), b. Chester co., Pa. A lawyer, he was the son-in-law of Simon…
(Encyclopedia) Santander, Francisco de PaulaSantander, Francisco de Paulafränsēˈskō dā pouˈlä säntändārˈ [key], 1792–1840, Colombian revolutionist. Given command of the guerrillas of the llanos by…
(Encyclopedia) shell, in zoology, hard outer covering secreted by an animal for protection. It is also called the test, crust, or carapace. The term usually refers to the calcareous shells of the…
(Encyclopedia) Páez, José AntonioPáez, José Antoniohōsāˈ äntōˈnyō päˈās [key], 1790–1873, Venezuelan revolutionist, president, and caudillo. He boldly led (1810–19) a band of llaneros [plainsmen] in…
ChemistryAdvanced-Level Science ProjectsChemistryWhat's in a Color?Copper Magic Which Metal Corrodes the Fastest? Did you ever have a shiny new bike that over time got to look not so shiny and…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World Former…
Indicates the possessive case of singular and plural nouns, indefinite pronouns, and surnames combined with designations such as Jr., Sr., and II: my sister's husband, my three sisters' husbands,…
