Why do some people think preventative detention is unfair

What was the main aim of the northwest ordinance of 1787

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.