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
earnstyle [38]
3 years ago
12

Proteins containa. oxygenb. nitrogen c. hydrogen​

Chemistry
2 answers:
seraphim [82]3 years ago
7 0

Answer:

All of the above

Explanation:

Proteins contain a long chain of amino acids which are a chain of oxygen, nitrogen, carbon, hydrogen or sulfur.

HOPE THIS HELPED

NeTakaya3 years ago
7 0
Oxygen Nitrogen hydrogen
You might be interested in
8. If the temperature of a piece of steel decreases, what happens to its density?
Verdich [7]

Answer:

I think the answer is the 3rd one

3 0
2 years ago
What is the part of the earth that includes the solid crust and the rigid uppermost part of the martle
faltersainse [42]

Answer:

I can't understand

Explanation:

sorry this

6 0
3 years ago
Explain reaction of metals with the following with the help of chemical equations. i) with acids ii) with oxygen iii) with water
Amiraneli [1.4K]

i. When an acid reacts with metal, a salt and hydrogen are produced:

ii. When oxygen and metal react,  metal oxide forms also known as rust

iii. metal and water produce hydrogen gas

6 0
3 years ago
Vehicle emissions devices incorporate a chemical reaction to help control carbon monoxide pollution: 2CO+ O2->2CO2
BigorU [14]

<em>It convert carbon monoxide faster </em>

3 0
3 years ago
Read 2 more answers
Which of the following pollutants could be reduced through proper maintenance and area ventilation to improve human health?
azamat

Answer:

Chimney soot

Explanation:

  • The periodicity of chimney used in homes is very highly harmful to human health.
  • If proper maintenance and cleanliness and ventilation are taken care of on such organic compounds, it can also control human health.
  • Carbon compounds form chimneys are highly harmful to human health if timber or coal-fired black chimney soot can be disposed of from time to time and with constant maintenance we can control pollution.
4 0
3 years ago
Other questions:
  • When an object reflects all light, we see (3 points) nothing white light dark blue light red light
    15·1 answer
  • What is the luster of aluminum
    10·1 answer
  • write a statement that makes a claim about arrangements of electrons and properties within a family of elements
    10·1 answer
  • Which of the following best describes a mixture in which ionic compounds are dissociated in solution?
    8·2 answers
  • What property of a solution is the same before and after it is diluted?
    9·1 answer
  • How can a saturated solution of a solid be made unsaturated?
    7·2 answers
  • What is chemical symbol for potassium
    7·2 answers
  • 250 mL of 1.5 M nitric acid is mixed with 250 mL of 2.5 M sodium hydroxide. Calculate the pH of the resulting mixture.
    9·1 answer
  • Molality is a way to express the concentration of a solution that represents the number of moles of
    10·1 answer
  • if 4.50 mol of ethane, c_(2)h_(6),undergo combustion according to the equation below , how many moles of oxygen are required? 2C
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!