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
A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players r
NikAS [45]
Before its moving it should be 0 right 
6 0
3 years ago
Read 2 more answers
What is the definition of input force?
andrezito [222]

Answer:

The input force (effort) is the amount of effort used to push down on a rod, or pull on a rope in order to move the weight. In this example, the force the little guy is using to pull the elephant is the input force.

Explanation:

5 0
3 years ago
Read 2 more answers
How does mass affect density? How does volume affect density?
Musya8 [376]

Answer:

Here's the Density Formula:  D = M/V

Q: How does mass affect density?

A: <em>Mass is a factor in density, the density is proportional to the mass. So as the mass increases, so does the density, provided the volume remains constant.</em>

Q: How does volume affect density?

A:<em> If an object has a larger mass than its volume it has a high density, if an object has a smaller mass than its volume it has a lower density.</em>

Explanation:

<em><u>I really Hope this Helps!!</u></em>

7 0
3 years ago
What might common French citizens have liked and disliked about the metric system when it was adopted
Gwar [14]

They would have disliked that they had to relearn how to measure.

5 0
3 years ago
Hi! Please help me!!!!! I don’t understand this question at all. If you could please explain that would be so helpful! Thanks!
inessss [21]

Answer:

I would say the stone is being used as a fulcrum.

Explanation:

An example of a fulcrum is the triangle thing under a seesaw. I don't know for sure if that's the right answer, but I would strongly suggest it. Hope I helped,  have a nice day :)

7 0
3 years ago
Read 2 more answers
Other questions:
  • A firefighter with a weight of 756 N slides down a vertical pole with an acceleration of 2.96 m/s2, directed downward. What are
    15·1 answer
  • The atomic number of an element is determined by the number of A. electrons. B. protons. C. protons and neutrons. D. neutrons.
    13·1 answer
  • Can I get answers 14 through 18 please? Plz show work number 18!!!
    12·1 answer
  • The earth is warmed by solar energy how is this energy transferred from the sun to the earth
    15·1 answer
  • A localized impediment to electron flow in a circuit is a:
    6·2 answers
  • Multidimensional development means that:
    6·1 answer
  • Answer the assignment questions using the World Geology map in this lesson and/or the earth's lithospheric plates map in the ass
    12·1 answer
  • On a distant planet, the GPE of a 65 kg astronaut is 11,115 j when they are on a 46 m tall cliff. What is the acceleration due t
    5·1 answer
  • The cylinder with piston locked in place is immersed in a mixture of ice and water and allowed to come to thermal equilibrium wi
    14·1 answer
  • The force involved in falling of an apple from a tree is known as? (a) Magnetic force (b) electrostatic force (c) Contact force
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!