« previous next »

Author Question: What triggers the development of acne? a. the production of testosterone c. excess stress b. ... (Read 50 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Jun 22, 2018
What triggers the development of acne?
 
  a. the production of testosterone c. excess stress
  b. poor hygiene during adolescence d. eating sweet foods such as chocolate

Question 2

By what age will a child demonstrate coordination of secondary schemes?
 
  a. by 2-3 months c. not until 8-9 months
  b. by 4-5 months d. not until 12-18 months


shailee

  • Sr. Member
  • ****
  • Posts: 392
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Acne. Acne.
Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
The two-system view of the stress response. The two-system view of the stress response.
Differentiation and Development of the Sex Organs Differentiation and Development of the Sex Organs
Economic and Social Development Economic and Social Development
Stages of Human Development Stages of Human Development
Video: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library