How old was r kelly when he was married to aaliyah

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

Restricting immigrants from entering a country may be based on what belief?  

How did shays' rebellion reveal the need for a revision of the articles of confederation? a) shays' rebellion exposed the weakness of the central government as written in the articles of confederation. b) shays' rebellion strengthened the ideas of the anti-federalists in the need for a strong national government. c) shays' rebellion illustrated the need for organized local government factions to handle situations such as this. d) shays' rebellion encouraged others to rebel and eventually led to the overthrow of the first established government in the united states.