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
Romashka-Z-Leto [24]
3 years ago
13

Dentre as alternativas a seguir,a única que é uma mistura é: ( )Um átomo de oxigenio ( )Àgua destilada ( )O ar atmosférico ( )O

gás ozoio me ajudem por favor...
Biology
1 answer:
riadik2000 [5.3K]3 years ago
7 0

Answer:

Atmospheric air  

Explanation:

Atmospheric air is a mixture of nitrogen, oxygen, argon, and small amounts of other gases.

A is wrong. A flask of oxygen atoms has nothing else in it. The O atoms are a pure substance.

B is wrong. A flask of distilled water contains only water. The water is a pure substance.

D is wrong. A flask of ozone contains only ozone. Ozone is a pure substance,

You might be interested in
I'll give brainliest to the person with the correct answer​
Ivan

Answer:

You are correct it's the earth!

Explanation:

The reason why is because, the term "elliptical orbit" is used in astrophysics and astronomy to describe an oval-shaped path of a celestial body. The Earth, as well as all the other planets in the Solar System, follow this type of orbit around the Sun. The shape is created by the varying pull of forces, such as gravity, on two objects, such as the Sun and a planet.

Hope this helps! :)

3 0
2 years ago
Read 2 more answers
Ritika was hit by a football on our head but did not suffer from any serious injury explain the reason in 30 to 40 words​
liberstina [14]

Answer:  37 rupees

Explanation:

8 0
3 years ago
Which does not belong to the skeleton
Nimfa-mama [501]

i have tuh say Veins

4 0
3 years ago
How is carbon dioxide affecting climate changes? Is there any evidence showing that humans can work on changing the Carbon Dioxi
Mama L [17]

Answer:

1.) Carbon Dioxide is being used as a greenhouse, preventing the heat from turning into thermal radiation into space.

7 0
2 years ago
Please list and discuss the indications and steps used during endotracheal suctioning. Suggested Fundamentals Learning Activity:
vlabodo [156]

Answer:

need to be done with plenty of observation to avoid infection.

Explanation:

This technique is quite delicate because the main risk is infection. Some of the main risks are neuromuscular disease, sedation or neurological illness.

Another risk is that by passing the time, there is a difficult in respiratory, in this case, the main risk is directly to the heart, with some stoke, due to the high concentration of carbon dioxide due to the low exchange among oxygen and CO2.

Some of the indications are:

a.- Coarse crackles auscultated over trachea.

b.- Increase the respiratory pressure.

c.- Decrease tidal volume.

d.- Check the levels of oxygen in blood as in arteries.

e.- Check that patients can generate a cough.

Hope this info is useful.

3 0
3 years ago
Other questions:
  • A nurse is about to perform a wound irrigation on a client who had a left hemispheric stroke 1 year ago. which assessment is mos
    12·1 answer
  • What would MOST LIKELY happen to the grass if most of the fungi and bacteria die?
    13·2 answers
  • Stable ecosystems can be altered, either rapidly or slowly, through which of the following events?
    6·1 answer
  • What is the scientific definition of energy? A. the ability to use the stored potential of an object B. the ability to use the c
    14·2 answers
  • What is a strong triangular iron strip of plough called<br>​
    13·1 answer
  • What is the probability of these two parents having Color Blind Son?
    9·2 answers
  • Predatory fish that swim in the water column, usually have what kind of coloration?
    5·1 answer
  • What process do producers go through to obtain energy?
    14·2 answers
  • Can you get pregnant on the last day of your period
    10·2 answers
  • The primary role of the chromosome is to
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!