This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is true about the advent of puberty in boys and girls in the United States? ... (Read 83 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jun 22, 2018
Which of the following is true about the advent of puberty in boys and girls in the United States?
 
  a. The age of advent has increased in recent years.
  b. The age of advent has remained the same in recent years.
  c. The age of advent has increased for girls in recent years, but decreased for boys.
  d. The age of advent has leveled off for boys and girls in recent years.

Question 2

If an infant cries when the mother puts her down and walks away, and then stops crying when she picks the infant back up, does this represent an understanding of object permanence?
 
  a. yes
  b. no
  c. yes, but only if the child is at least 2-months-old
  d. Not necessarily. It depends upon whether the child has a mental representation of the mother.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kkenney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

D


mydiamond

  • Member
  • Posts: 804
Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Which of the following statements is true of linkage? Which of the following statements is true of linkage?
Ethnic Variations in Prenatal Care within the United States Ethnic Variations in Prenatal Care within the United States
An example of the sometimes drastic differences in placarding regulations in the United States ... An example of the sometimes drastic differences in placarding regulations in the United States ...
Professor with guys vs. girls Professor with guys vs. girls
Agricultural Land as a Fraction of Total Wealth in the United Kingdom Agricultural Land as a Fraction of Total Wealth in the United Kingdom
The Onset of Puberty The Onset of Puberty
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library