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
horrorfan [7]
3 years ago
10

How does a mask protect us?

Biology
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

Masks are a simple barrier to help prevent your respiratory droplets from reaching others. Studies show that masks reduce the spray of droplets when worn over the nose and mouth.

Explanation:

You might be interested in
“What is the effect of molecule size on a molecule’s ability to diffuse across a semipermeable membrane?” If molecules are small
never [62]
They would not be able to fit into a semipermeable membrane it will just pass threw
4 0
3 years ago
Read 2 more answers
Once an egg cell is fertilized by sperm, the cell _______.
Dovator [93]

i think its B. begins to divide and implants itself in the wall of the uterus

5 0
4 years ago
Read 2 more answers
Full form of IUA in astronomy​
77julia77 [94]

Answer:

<em>IAU- International Astronomical Union</em>

Explanation:

The  International Astronomical Union (IAU) is an organization consisting of professional astronomers from around the whole world. The astronomers in the  International Astronomical Union (IAU) work together to assign names and probable functions of different celestial bodies being discovered. The aim of the  International Astronomical Union (IAU) is to protect and to safeguard field of astronomy and make progress in this field.

3 0
3 years ago
5. The finches Darwin discovered on the Galapagos Islands are examples of how
spayn [35]

Answer:

True

Explanation:

The finches Darwin discovered are genetically different from other finches of the same species because of differences in habitat climate and the habitat itself.

6 0
3 years ago
How is it possible for someone to put an ear to a wall and hear someone in the next room?
erik [133]

The answer is A. Sound can travel through matter (solids, liquids, and gases). Sound travels faster in solids, then slower in liquids and slowest in the air. When the person in the next room makes noise, the sound travels through the air in their room, through the solid wall and in the air in your room and into your ear.






5 0
3 years ago
Read 2 more answers
Other questions:
  • Raido waves are a part of the electromagnetic spectrum with high wave lengths and low frequencies
    13·2 answers
  • ****PLEASE HELP!!!!!!*********
    10·1 answer
  • What are the "twisty columns" and "rungs" in the DNA?
    13·2 answers
  • There are many people who have medical conditions, which put them at greater risk of infection from simple nicks and scrapes. Wh
    7·1 answer
  • A complete denture is a type of fixed prosthesis. is true or false
    12·1 answer
  • Kea tries to take good care of herself. She works out regularly, gets plenty of rest, and eats well. Her approach to health is M
    10·1 answer
  • 1. Which of the following solid substances could be classified as the most dense?
    7·1 answer
  • Why does a carrot feel spongy after being soaked in salt water?​
    6·1 answer
  • The attraction of water to other polar substances is called.
    6·1 answer
  • What is the function of fibrous connective tissue covering the long bones called?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!