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
soldier1979 [14.2K]
2 years ago
10

The atmosphere of Earth today primarily contains the following gases: carbon dioxide (CO2), water vapor (H2O), nitrogen (N2), an

d.
Biology
1 answer:
Anna11 [10]2 years ago
7 0

Answer:

either oxygen or argon, because they are both in the atmosphere

Explanation:

You might be interested in
Nitrogen-fixing cyanobacteria are critically important ecologically.<br><br><br> True or false?
LenaWriter [7]

Answer:

See Explanation

Explanation:

Yes, this is true because some bacteria in our environment tends to either fend off of or kill other types of bacteria. In this case, this bacteria is helpful because it turns gaseous nitrogen into a form that can be absorbed and used by plants in our environment.

5 0
3 years ago
Blood flow through a capillary is controlled by the.
Nuetrik [128]

Answer:

<h2>Blood flow through a capillary is controlled by the <u>precapillary</u><u> </u><u>sphincters</u><u>.</u></h2>
4 0
2 years ago
What is the best definition of activation energy
coldgirl [10]
<span>The lowest quantity of energy that the reacting species must possess in order to undergo a specified reaction.</span>
8 0
3 years ago
Read 2 more answers
Which type of mutation occurs only in reproductive cells
dimaraw [331]

Answer:

Germ line Mutation

Explanation:

4 0
3 years ago
_____ allows populations to adapt to the abiotic and biotic conditions where they live.
denis-greek [22]
<span>Natural selection is what allows a population to adapt because the animals that adapt are the ones that mate and pass along their genes. Without natural selection, evolution or adaptation would not be able to occur.</span>
4 0
2 years ago
Other questions:
  • On a microscope how is the slide held steady so that it does not move while you look at the object
    9·1 answer
  • What are biodversity hot spots?
    14·2 answers
  • Which of the following is true?
    13·2 answers
  • Why is inheritance in humans harder to study than in inheritance in Mendels peas plants?
    9·1 answer
  • A centimeter is __ meter(s). 1,000 100 1/100th 1/1,000th
    13·2 answers
  • Uncontrolled cell division leads to the development of _____.
    8·1 answer
  • What leads to increase genetic variation in a population
    9·2 answers
  • What is the most likely effect of freshwater pollution?
    12·1 answer
  • (6th grade science) Why do temperatures on Earth Increased when the amount of carbon dioxide?​
    7·2 answers
  • If you don’t provide brands of items used in a method how can that effect the results you collect and why.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!