In which of the following periods of the mesozoic era did a bird-like animal known as archaeopteryx appear? a. triassic b. jurassic c. cambrian d. cretaceous

The most common economic system in the world is aclosed economy.command economy.mixed market economy.traditional economy.

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.

On this map of the united states the letter h indicates high pressure and the letter l indicates low pressure . select the black arrow that accurately shows the direction of the wind.