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
Misha Larkins [42]
3 years ago
9

Question 2 of 10 of the day!

Biology
2 answers:
e-lub [12.9K]3 years ago
7 0
<span>Most of the nitrogen gas in Earth's atmosphere comes from _____.

</span>
<span> D. the breakdown of carbon dioxide</span>
storchak [24]3 years ago
5 0

The majority of nitrogen in Earth's atmosphere comes from B. erosion.

I did my research.

You might be interested in
Why is it difficult to evaporate seawater?
Alika [10]

Answer: Different liquids will evaporate differently depending on the force of attraction between the molecules of the liquid. The weaker the force of attraction the higher the rate of evaporation and vice versa.

In Sea water the water molecules are attracted to the salt ions and thus it requires more energy to evaporate.

6 0
2 years ago
Elemento vital para todas las especies que habitan el planeta
Ivahew [28]
Oxygen , Carbon , hydrogen
4 0
3 years ago
What are CD4+ cells?
telo118 [61]
The answer is <span>B.  immune cells that are destroyed by HIV 

CD4+ are immune cells (white blood cells) and are an important part of the immune system. Their name comes from the presence of CD4 glycoprotein on their surface. HIV uses CD4 glycoproteins on the surface of CD4+ cells to entry into the cells. The consequence is a reduced number of those cells. Therefore, CD4+ immune cells are destroyed by HIV.</span>
4 0
3 years ago
Which is a function of mucus in the lungs?
ololo11 [35]
<span>the function of the mucus blanket in the lungs is to filter and moisten the air.</span>
3 0
3 years ago
Read 2 more answers
DNA____.
Luden [163]

The answer for this question is C, I just did my final for Biology and got a good score in it.

Hope it helps!

7 0
3 years ago
Other questions:
  • What is the biocultural approach in biological anthropology?
    6·1 answer
  • Silica tetrahedra are able to link into long chains that share oxygen ions through the process of ________.
    11·1 answer
  • Which of the following statements is true?
    11·2 answers
  • Which of the following choices is not evidence supporting the theory of plate tectonics? A) fossil assemblages B) ancient cave d
    15·2 answers
  • Which of the following is one of the 5 types of interactions that results in interdependence?
    8·1 answer
  • How are size and shape used to classify clastic rock?
    7·1 answer
  • Which are three human-body systems coordinate to cause arm to move? A. nervous, muscular, skeletal; B. respiratory, muscular, di
    6·2 answers
  • Which characteristics are common to most salamanders? Check all that apply.
    12·2 answers
  • What does a karyotype show?
    13·2 answers
  • Please. This should be really easy. I just was confused. Please help. Link below. NO LINKS. Just answer with one of the answers
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!