When a president believes that he or she is incapable of performing the duties of office, the president can invoke the by informing Congress in writing; then the vice president will serve as acting president until the president can resume normal duties.

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

Explain how the ideas of karl marx came to influence american workers in the late 1800s

Abrief, "first-step" presentation of a work to be completed is called a