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
siniylev [52]
3 years ago
10

If a piece of pure iron is placed in pure nitrogen, nothing happens. If the iron is exposed to air, it begins to rust. What conc

lusion can you make about air, based on this observation?
Biology
2 answers:
Neko [114]3 years ago
8 0
 <span>the copper oxidized, the iron was exposed to moisture in air</span>
MA_775_DIABLO [31]3 years ago
3 0

Answer:  

If the iron rod is placed in the nitrogen then nothing happens. But when the rod of iron is placed in air.

It is also known as iron oxide which takes place when the iron is exposed to moisture and oxygen for a longer period of time.

Oxygen gets attached to iron at an atomic level, forming a compound which is known as an oxide which weakens the metal bond.

Here, this process weakens the iron and corrodes it and makes it unuseful.

You might be interested in
A(n)\ is a system composed of living organisms and their interaction with the surrounding environment, where the main focus is t
vova2212 [387]

Answer:

The correct answer is 4.ecosystem.

Explanation:

An ecosystem is a system, that is, a set of elements that interact with each other, in which such elements are: physical environment, living beings and their interactions (predator-prey, parasite-host, competition, symbiosis, pollination, distribution of seeds , etc.) The interrelation between living beings (competition, parasitism, etc.) occurs through cycles of matter and energy flows on which the functioning of the entire ecosystem depends.

7 0
3 years ago
bacillus anthracis the bacterium that causes the deadly disease anthrax produces thick endospores what is the significant role o
ElenaW [278]
The significance of the spore formation during the reproductive cycle of the bacterium is that, it provide a defensive strategy against hostile and unfavorable conditions. The spore formation allows the bacterium to reproduce and spread even when the conditions are not favorable. The spore formation also make it possible for the bacterium to remain dormant over a long period of time during unfavorable conditions, waiting for the right conditions to become active again.
5 0
3 years ago
Passive transport needs energy true or false
Nat2105 [25]
Passive transport DOES NOT need energy(ATP), while active transport does.
4 0
3 years ago
Rapid erosion in the desert is caused by:
Pavel [41]

Its ethier loose soil or dense vegetation but i have a feeling its loose soil.

6 0
3 years ago
Read 2 more answers
Once Telophase is complete, the cell has become two identical
ra1l [238]
The answer is to the problem is false
8 0
3 years ago
Other questions:
  • Which event is likely to trigger succession
    8·1 answer
  • Which assisted reproductive technology process involves the fertilization of a woman's egg outside of her body and the transfer
    9·1 answer
  • What happens as a result of insertion
    12·1 answer
  • "If the total water potential in the soil around a plant root were -50 kPa, water would move from the soil into the root if the
    5·1 answer
  • Which structure is found mainly in green plants and bacteria
    12·2 answers
  • Which product of photosynthesis contains the chemical energy that was made from the radiant energy
    5·1 answer
  • Please put the Levels of Organization in order from highest to lowest.
    9·2 answers
  • How much of our body is made of muscle? What does this muscle do?
    11·2 answers
  • Which part of the virus houses the nucleic acid?
    5·1 answer
  • An example of something that stores chemical energy is
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!