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
KiRa [710]
3 years ago
13

Does the atmosphere contain 21% nitrogen in 78% oxygen

Physics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases

You might be interested in
Why mass does not affect period of the pendulum?
Strike441 [17]
Because gravity accelerates all objects the same regardless of their mass
4 0
3 years ago
Objects that transmit some light and reflect/absorb the rest of the light, like stained glass, are
11111nata11111 [884]
You are correct it is translucent because opaque let’s no light through but transparent lets almost all light through
3 0
3 years ago
Since moment of inertia is a scalar quantity, a compound object made up of several objects joined together has a moment of inert
Gwar [14]
What is the question?
8 0
3 years ago
Skin is the main barrier between internal organs and the outside environment. The outer layer of skin is composed mostly of epit
vagabundo [1.1K]
The characteristic of epithelial cells that makes them ideal for providing this type of protection is that the cells are packed tightly together. 
Skin, the body's largest organ,is our first and best defense against external aggressors. The many layers work hard to protect us, however when its condition is compromised, its ability to work as an effective barrier is impaired. 
3 0
3 years ago
Read 2 more answers
7. MANSON'S FAVORITE SINGING GROUP WAS...
lukranit [14]
The beach boys i think.. if not im sorry
6 0
3 years ago
Other questions:
  • A rubbit gets down from a rump which its /\x=0.85m in 0.5s, The rubbit's mass is 2kg, what is the net Force?
    7·1 answer
  • Suppose a logs mass is 5kg .after burning,the mass of the ash is 1kg .explain what may have happened to the other 4kg
    13·1 answer
  • changes in which the form or shape of a substance changes but the substance keeps its identity are called
    9·1 answer
  • Which constellation is marked by a W or M? a. Cassiopeia b. Draco c. Ursa Minor d. Ursa Major
    15·2 answers
  • A 4-N object object swings on the end of a string as a simple pendulum. At the bottom of the swing, the tension in the string is
    10·1 answer
  • 1.Which mechanical part or feature listed in the section on Critical Vehicle Systems do you think is most important?
    7·1 answer
  • Why was nuclear energy first developed?
    12·1 answer
  • 2. Fill in the blanks
    9·1 answer
  • 14. Saeed is pulling a 6 kg heavy rock with an upward force of 40 N but does not succeed to lift it up. What is the magnitude of
    7·1 answer
  • Define homogeneous mixtures and give 3 examples.<br><br> ASAP please 25 points?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!