This topic contains a solution. Click here to go to the answer

Author Question: The Centers for Disease Control and Prevention employs many people who study epidemiology. Which of ... (Read 81 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
The Centers for Disease Control and Prevention employs many people who study epidemiology. Which of the following best describes the roles of people at the CDC?
 
  A) identifying new types of infectious disease.
  B) the prevention of infectious disease.
  C) the worldwide distribution of infectious disease.
  D) identifying, tracking the spread of, and preventing infectious disease.

Question 2

The changes in this field, from grasses to shrubs to trees, represent
 
  A) ecological succession.
  B) climax production.
  C) biological evolution of new species.
  D) ecological adaptation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

D

Answer to Question 2

A




Awilson837

  • Member
  • Posts: 509
Reply 2 on: Jul 16, 2018
Excellent


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library