An ISO class 7 environment contains no more than ________ particles of 0.5 micron or larger per m3

Which of the following is NOT an example of the usefulness of logarithms?

A) Graphs of logarithmic values make relationships between values more visible. B) Logarithms simplify the expression of very large and very small numbers. C) Logarithms can increase the inherent uncertainties of calculated ratios. D) Logarithms can accelerate calculations.

List the five main routes of microorganism transmission

a. __________________________ b. __________________________ c. __________________________ d. __________________________ e. __________________________