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

Author Question: For males, what is the first noticeable sign of puberty? a. appearance of underarm hair c. ... (Read 105 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jun 22, 2018
For males, what is the first noticeable sign of puberty?
 
  a. appearance of underarm hair c. accelerated growth of the penis
  b. deepening of the voice d. accelerated growth of the testes

Question 2

Amir is 10-months-old. He is able to push one toy aside in order to reach another that he wishes to play with. He is also able to imitate the gestures and sounds his parents make when they play with him. This is an example of:
 
  a. secondary circular reactions.
  b. invention of new means through mental combinations.
  c. object permanence.
  d. coordination of secondary schemes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vickyvicksss

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

D


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jun 22, 2018
:D TYSM

dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Genetic control of root hair development. Genetic control of root hair development.
Female choice of males based on nuptial gifts. Female choice of males based on nuptial gifts.
Cross-section of skin and a hair follicle. Note the shaft of the hair, the root, and papilla Cross-section of skin and a hair follicle. Note the shaft of the hair, the root, and papilla
Hair loss due to DHT Hair loss due to DHT
(a) Male competition can be fierce. (b) This male baboon has bite wounds suffered in competition wit (a) Male competition can be fierce. (b) This male baboon has bite wounds suffered in competition wit
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library