What is an angular unconformity? a: the rock layers are angled to the horizontal ones above. b: areas in the rock layer that are missing. c: represents periods of erosion. d: separates metamorphic or igneous rock layers from sedimentary.

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.

Brainliestttme : ) how did the soviet union try to maintain control?

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.