The patent system question 3 options: a. acts as a direct positive incentive. b. acts as a direct negative incentive. c. acts as an indirect positive incentive. d. acts as an indirect negative incentive. e. does not provide an incentive.

What characteristic of radioactive decay makes it useful for determining the absolute age of samples? question 10 options: occurs at a constant rate changes based on temperature speeds up under high pressure slows down in very dense samples