What kind of source is "percentage of college degrees awarded to women"?
it is a primary source because it is a journal or diary.
it is a secondary source because it is a speech.
it is a primary source because it is firsthand information.
it is a secondary source because it is secondhand information.

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

Could anything have been done through compromise to stop it, or did it have to happen?

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.