To observe closely or to be watchful is called .

surveillance
investigation
spying

Large igneous rock have been found on surface sedimentary bedrock in north carolina .which statement best xplains the presence of these boulders

June 19 is often a holiday in texas. it is emancipation day. what important event happened on emancipation day? a) it marks the end of slavery in texas. b) it marks end of the texas revolution. c) it marks the day texas became a state. d) it marks the last battle of the texas revolution.

Which describes a significant different between the north and the south in the year leading up to the civil war