At what point in a pregnancy has the heart begun to beat in the developing child?
a. By 18 days after fertilization
b. By the ninth week
c. By the second trimester
d. At the moment of birth
Answer: b. By the ninth week
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A commonly used method of lethal injection involves the injection of potassium. Explain why having too much potassium in your extracellular fluid would be fatal.
What will be an ideal response?
According to your text, which nation is making a concerted effort to counteract the effects of gender role expectations?
a) Mexico b) the United States c) Sweden d) Russia
Answer the following statement(s) true (T) or false (F)
Autobiographical recollection only includes time and place actions pertinent to our lives.
According to the evolutionary perspective, fear
A) is greater for women than for men. B) is no longer important for survival. C) puts humans needlessly at risk. D) helped our ancestors survive.