1. With all the questions that still exist in regard to our universe, galaxies, stars, planets, and more, there are tons of questions that have yet to even be asked. What questions
do you have about the universe and astronomy? Choose two of the top questions that
you have and explore various possibilities for how they could be answered.

Native americans, the aboriginals of australia, sub-saharan african cultures

Information on the cost of things, quantitative data has to do with numbers, qualitative data uses details such as taste, appearance, what it looks like etc. 

Yes, you can get ap exam prep books that correspond to the exam you will be taking. i honestly think the ap biology exam was one of the easier exams to take.

The earth's inner core is the earth's innermost part. it is primarily a solid ball with a radius of about 1,220 km (760 miles), which is about 70% of the moon's radius.[1][2] it is composed of an iron–nickel alloy and some light elements. the temperature at the inner core's surface is approximately 5,700 k (5,430 °c), which is about the temperature at the surface of the sun.