What do astronomers call a system that is composed of more than two stars

If a population is growing quickly in a small area then what must increase as well

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.