i do believe the answer is a
everything in this paragraph is in past tense, except 'everyone stops', which is in present tense
it should be "everyone stopped and wondered..."
Task analysis<span> is the analysis of how a task is accomplished, including a detailed description of bot manual and mental activities </span>
Answer: Lucy repeated the experiment practically a zombie fatigue, until she was not believing the results from the spectrometer or even her own eyes.
The way you know the subject of the sentence is plural is because it takes a plural verb. You can see that the subject of the sentence is <em>the ova </em>(plural for of Latin word <em>ovum</em>, <em />meaning egg cell), and the verb it takes is <em>undergo </em>(plural)<em>, </em>and not <em>undergoes, </em>which would be singular.
Researching your ancestors and family history will enrich your life.