The blastocyst becomes an embryo about ________ days after fertilization.
A. 2
B. 7
C. 14
D. 42
C. 14
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Before World War II all drug, exempt narcotics could be purchased over the counter.
Answer the following statement true (T) or false (F)
According to the 2016 Physical Activity Council Report tracking participation in sports by individuals aged 6 and older from 2010 to 2015, which of these general categories of participation had the highest percent of participation overall across that time span?
A. Racquet sports B. Water sports C. Team sports D. Fitness sports
To promote creativity, it is best not to have rating criteria for student presentations.
Answer the following statement true (T) or false (F)
The body's stress reaction that includes an increase in heart rate, respiration, blood pressure, and serum cholesterol is known as the:
A. autoimmune response. B. substantial stress. C. fight-or-flight response. D. relaxation response.