Hello this is my first question. Thanks very much if you answer. ^_^

2. What are the four water sources, referred to as "taps," that Sedlak believes will solve our urban water crisis?

3. Sedlak closes his talk by pointing out the benefits to creating and reinventing how we obtain our water supply. Discuss some of those benefits and explain how they relate to what you learned in the unit.

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.