Question 1
The adolescent growth spurt and sexual maturation that occur in early adolescence are known as
◦ a secular growth trend.
◦ puberty.
◦ menarche.
◦ hormones.
Question 2
The brain's electrical activity is measured by
◦ X-rays.
◦ positron emission tomography (PET).
◦ ultrasound.
◦ electroencephalograms (EEG).