How many stages of frostbite are there?
A. 1
B. 2
C. 3
D. 4
Answer: C
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The majority of charges on the surface of soil particles are:
A) negative B) positive C) ?neutral D) dry
Electrons located in the outer shell of an atom are known as ____ electrons.
a. magnetic b. orbit c. nuclear d. valence
Penicillin is produced by the Penicillium fungus, which is grown in a broth whose sugar content must be carefully controlled. The optimum sugar concentration is 4.9 mg/mL. If the concentration exceeds 6.0 mg/mL, the fungus dies and the process must be shut down for the day.
a. If sugar concentration in batches of broth is normally distributed with mean 4.9 mg/mL and standard deviation 0.6 mg/mL, on what proportion of days will the process shut down? b. The supplier offers to sell broth with a sugar content that is normally distributed with mean 5.2 mg/mL and standard deviation 0.4 mg/mL. Will this broth result in fewer days of production lost? Explain.
What is the main propagation method for perennial flowers?
What will be an ideal response?