Most infants can walk by themselves by the age of _________ .

Most infants can walk by themselves by the age of _________ .
 
  A) 5 to 7 months
  B) 8 to 9 months
  C) 12 to 15 months
  D) 4 to 6 months

Question 2

Which of the following is true of adaptive thermogenesis?
 
  A) It explains why all obese people are overweight.
  B) It sabotages weight-loss attempts by causing the body to burn fewer calories when someone goes on a diet.
  C) It explains why obese people are always at a risk of developing cardiovascular diseases and certain forms of cancer.
  D) It causes thin people to become obese during adulthood.

Question 3

Most infants can remain in a standing position by holding on to something by the age of _________ .
 
  A) one or two months
  B) eight or nine months
  C) two or three months
  D) three or four months

Question 4

In the context of weight management, which of the following statements is true?
 
  A) It is widely accepted that heredity plays a role in overweight in humans.
  B) Efforts by overweight people to maintain a slender profile is complemented by the mechanism of adaptive thermogenesis.
  C) Obesity is related to psychological factors but not to biological factors.
  D) Obesity is related to biological factors but not to psychological factors.