1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Svetradugi [14.3K]
3 years ago
8

In order for a physical barrier to be effective in preventing infection, the barrier must __________.

Health
2 answers:
Olin [163]3 years ago
8 0
In order for a physical barrier to be effective in preventing infection, the barrier must prevent the substance from entering the body, trap the substance when it first enters the body, or flush the substance out of the body.
kiruha [24]3 years ago
4 0

Answer: the answer is A........

You might be interested in
suppose you find an article online claiming that a drug called restoramax is the best treatment for arthritis. A note at the bot
horrorfan [7]

Answer:

No, not if it's something you have never heard of. You should always check the security certificate of any website you visit. Just because it has a company listed, does not mean it's a legitimate company, or that the site is safe.

6 0
3 years ago
What's the answer? ______ transfer waste-filled blood from tissues into the pulmonary circulation.
Gnom [1K]
The answer to this question is that it is the capillaries that transfer waste-filled blood from tissues into the pulmonary circulation. Capillaries are very small blood vessels that form a network across the body, and carry blood away from our tissues and back out towards our pulmonary circulation.
6 0
3 years ago
Bandura found that children who witnessed aggressive behavior being punished were far more likely to be aggressive
Svetradugi [14.3K]
It’s F. Hope this helps
7 0
3 years ago
Read 2 more answers
While visiting the Grand Canyon, you observe the exposed layers of rock on the valley. What natural process most likely caused t
Pachacha [2.7K]

Answer: The answer is Erosion

Explanation: It is probable that the natural process of Erosion caused the exposed layers of rock in The Valley.

3 0
3 years ago
To remember the four bases found in DNA-thymine, guanine, adenine, and cytosine-Luke makes up a sentence using the first letter
LenKa [72]

Answer: 2)

A mnemonic device

Explanation: A mnemonic is a tool or memory aid that helps people to remember or memorize things easily. It helps you to remember an idea or phrase with a pattern of letters, numbers, or relatable associations. Mnemonic devices may include special rhymes and poems, acronyms, images, songs, outlines, and other tools. In the question Luke makes up a sentence using the first letter from each base as the first letters for his words, repeating to himself to help him remember more easily the bases of DNA. In other words Luke formed mnemonics using the first letters of the DNA bases to remember them easily.

8 0
3 years ago
Other questions:
  • The top of a ladder must extend how many feet above the surface a worker is climbing onto?
    7·1 answer
  • Why are HIV-infected people more susceptible to other infections and illnesses?
    15·2 answers
  • Celeste needs to improve her cardiorespiratory health. Which of the following activities would most benefit her heart, and why?
    11·2 answers
  • An electric shock can result in anything from a slight tingling sensation to immediate cardiac arrest. The severity depends on t
    9·2 answers
  • Which of the following procedures for providing first aid for severe bleeding is NOT correct?
    6·2 answers
  • Assessment
    5·1 answer
  • In 4-5 sentences reflect on what P.A.P.A. Is and why it is important for you to learn this information.
    5·1 answer
  • Please Help! Will get brainliest
    9·2 answers
  • Regional disparity must be ended for proportionate natinal development​
    14·1 answer
  • How long after testing positive should i test again.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!