(Question)
Q: What are the two methods in which mutations arise in dna? Choices: - produced or spontaneous - accelerated or spontaneous - accelerated or random - induced or spontaneous A:
(Answer)
induced or spontaneous

(Question)
Q: How are the number of moles of carbon dioxide gas calculated? Choices: - relativistic - casuistry - phytochemistry - stoichiometry A:
(Answer)
stoichiometry

(Question)
Q: What force pulls bodies with mass together? Choices: - thermal - solar - isolation - gravity A:
(Answer)
gravity