What is the educated guess of the answer to a question called

What is the similarities and differences between bacteria and eukaryote?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

Dna replication occurs in preparation for