D) the ease with which kindergarteners make new friends predicts behaviors linked to
gains in achievement.
When toddlers first learn words, they often apply them too narrowly, an error called
A) overextension.
B) underextension.
C) referential style.
D) telegraphic speech.
Regina eats a mostly vegetarian diet, but she eats a lot of fish. When she becomes
pregnant, what should Regina know about environmental pollution in fish?
A) Long-lived predatory fish, such as swordfish, albacore tuna, and shark, can be
heavily contaminated with mercury.
B) Fresh water fish, such as perch and trout, carry a startling array of industrial
contaminants287 in all.
C) While some fish are contaminated with polychlorinated biphenyls (PCBs), steady,
low-level PCB exposure is not harmful.
D) Fish can be heavily contaminated with lead, exposure to which is related to
prematurity and brain damage.