Author Question: Humans emerged as a species about _________ years ago. a. 2 billion c. 2 million b. 20 million ... (Read 275 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?

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

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

For a complete list of videos, visit our video library