16. Which of the following is considered the temperature danger zone for bacteria multiplication?
A. 5C to 630
B. OC to 100C
C. 63C to 100C
D. OC to 630

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Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Classify this reaction: 2al+n2-> aln.