Answer:
<em><u>"The number of squares between each QRS complex and multiplying by 40 milliseconds. Gives you the cycle length of a patient's heart rate. You then divide 60,000."</u></em>
An electron microscope uses a beam of electrons in order to see very small and detailed components. These electrons are in fact negatively charged particles.
This type of microscope would allow you to see small components such as ribosomes and other organelles inside a cell.
Therefore, your answer is B. Electron Microscope.
Answer: True, simply rotating the toys your children play with won't magically make your home a spotless haven, but it will lessen clutter and make clean-up time much easier. Children will also be less overstimulated and be encouraged to play more creatively with the toys that are within their reach.
700,000 infected each year in the united states
It is not D. 165 ( i know this is wrong but it wont let me submit without an explanation as to why it's wrong.)
