The birth process for human beings is more complicated than for other animals because of the ______

amount of amniotic fluid expelled during labor
fetus' muscle-to-fat ratio
size of the fetus' head
mother's expectation of the birthing process

size of the fetus' head

Psychology

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Advantages of volunteer work are strongest when volunteering occurs in moderation—on average, ______ hours per week

20 10 5 2

Psychology

In the context of the five-factor model, two of the most important traits for describing behavioral differences are _____ and _____

a) tender-mindedness; self-discipline b) openness to experience; agreeableness c) agreeableness; conscientiousness d) extraversion; neuroticism

Psychology