Which is the best evidence to support an essay that argues the need for highly trained engineers who build airplanes?

observations of pilots and interviews with crews at airports
statistics on the number of plane crashes and near crashes
quotations from students studying to become airplane engineers
details from us government websites on job paths for engineers

Which statement best summarizes the process of the abolition of slavery in the united states? o a slave owners agreed to limit and ultimately abolish slavery to prevent a slave rebellion similar to the haitian revolution o b. the united states did not abolish slavery until after many latin american countries did because it faced opposition from powerful slaveholders o c. the abolition movement in the united states used a series of legal challenges to successfully outlaw slavery. d. the abolition movement used nonviolent tactics to eventually convince the u.s. government to abolish slavery.

Three broad zones with different climates and resources shape russian life. they include:

Which of the following elements is not typical of an advanced society? a. cities b. science c. industries d. and nomadic lifestyle