1. To test your understanding of the Miller Urey experiment, do Interactive Exercise 19-1 on the Web. You can print out your answers, if required. 2. To test your understanding of the Drake equation,...

1. To test your understanding of the Miller Urey experiment, do Interactive Exercise 19-1 on the Web. You can print out your answers, if required.

2. To test your understanding of the Drake equation, do Interactive Exercise 19-2 on the Web. You can print out your answers, if required.

3. We discover living organisms in Europa’s subsurface oceans? What precautions should we take in the search for such life, and why?