« previous next »

Author Question: In developed countries, the average age at the onset of menarche is A. 12.2 years B. 13.2 years ... (Read 108 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jun 22, 2018
In developed countries, the average age at the onset of menarche is
 
  A. 12.2 years
  B. 13.2 years
  C. 14.2 years
  D. 15.2 years

Question 2

According to the Fels longitudinal growth study, what is the average age (rounded to nearest whole year) at which American boys and girls reach peak height velocity?
 
  A. 11, boys; 10, girls
  B. 12, boys; 11, girls
  C. 13, boys; 13, girls
  D. 14, boys; 12, girls


macagn

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

This older woman is exploring new avenues of enjoyment as she avoids stagnation in her later years This older woman is exploring new avenues of enjoyment as she avoids stagnation in her later years
Older adults may grieve intensely over the loss of a person or situation that has been a part of the Older adults may grieve intensely over the loss of a person or situation that has been a part of the
Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old. Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old.
Levallois points and flakes from Kapthurin, Kenya date to between 200,000 and 280,000 years ago. Levallois points and flakes from Kapthurin, Kenya date to between 200,000 and 280,000 years ago.
Share of Human Capital in Wages in Advanced Countries Share of Human Capital in Wages in Advanced Countries
The average percentages by polygraph exams The average percentages by polygraph exams
Video: Wound Care

For a complete list of videos, visit our video library