If the doubling time of E. coli is 20 minutes, how many E. coli would be on your sandwich after 3 hours if you started out with 20 E. coli cells?

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

What are the seven economic and social goals?