United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864)

a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land

a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land

a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land

English writer whose novels depicted and criticized social injustice (1812-1870)

English writer whose novels depicted and criticized social injustice (1812-1870)

white-flowered West Indian plant whose root yields arrowroot starch

white-flowered West Indian plant whose root yields arrowroot starch

(mathematics) one of a pair of numbers whose sum is zero; the additive inverse of -5 is +5

a triangle whose interior angles are all acute