Which pair of nutrients is MOST likely to be lacking in the adolescent diet?
A) magnesium and B vitamins
B) iron and calcium
C) sodium and potassium
D) vitamins A and C
B) iron and calcium
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The major commercial species of tobacco is Nicotiana tobacum
Indicate whether the statement is true or false
In 1960, Dr. Randall studied the sports preferences of a large group of 12-year-olds. In 1990, she repeated the study with another group of 12-year-olds and compared the two groups. Dr. Randall's research considers the effects of
a) age. b) cohorts. c) longitudinal designs. d) cross-sectional studies.
Paternal involvement with children in dual-earner households is associated with
A) low self-esteem and high school dropout in girls but not boys. B) high levels of competitive, aggressive behavior in school. C) high intelligence and achievement and gender-stereotype flexibility in adolescence. D) average intelligence, athletic competence, and gender typicality in adolescence.
Your text uses which term to refer to the degree to which a person chooses to engage in, and keep trying to accomplish, challenging tasks?
A) Incremental effort B) Conditional regard C) Achievement motivation D) Self-efficacy