Which of the following. nouns is properly capitalized a. orlando b. telephone. c. frame d. congress

Congress is the only noun that is properly capitalized among these options. The correct answer is D. A should be capitalized because it is a name of a city. B shouldn't be capitalized because it is a common noun, as well as C. D should be capitalized because it is a name of an important institution, unique of its kind.

Asmall closed hole formed in an outwash plain or moraine. forms when a  glacier retreats then remains stationary. 

Answer light in color; silica-rich;