WILL GIVE 25 POINTS AND BRAINLIEST 1. What were some of the most important contributions to the Qin dynasty and how did Emperor Qin rule?

2. How does supply and demand work? What does scarcity mean? What is opportunity cost?

3. How does the dynastic cycle explain the rise and fall of empires?

All three need an answer so PLEASE HELP I NEED THESE ANSWERS ASAP-

answer; ///i believe that the correct answer is (b); ///the candidate must be a native born american citzen;

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.

well we know that it was fought between america and the united kingdom based on that i assume people consider the second war of independence because brtiain and england (uk)   the uk is made up of england and i assume thats why it was considered that

the congress realized that action had to be.