Author Question: Humans emerged as a species about _________ years ago. a. 2 billion c. 2 million b. 20 million ... (Read 399 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604
Humans emerged as a species about _________ years ago.
 
  a. 2 billion c. 2 million
  b. 20 million d. 200,000

Question 2

In a study of aggression in preschool children, each of three groups regularly saw one of three types of TV shows: aggressive programs (such as Batman), prosocial programs (Mister Rogers' Neighborhood), and neutral programs (such as Disney nature films). Aggressive behavior was then assessed. What was the dependent variable?
 
  a. the type of TV show c. the number of groups of children
  b. the children's level of aggression d. the age of the children



mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

For a complete list of videos, visit our video library