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
Setler [38]
2 years ago
11

Why do northern lights appear in different colors?

Biology
1 answer:
Romashka-Z-Leto [24]2 years ago
4 0
<span> The aurora is caused by the interaction of high-energy particles (usually electrons) with neutral atoms in earth’s upper atmosphere.</span>
You might be interested in
HELPPPPPPPPPPPPP,.........................
Marina CMI [18]
I think the answer is D because wind farms do take a ton of space. It is not A or B because wind farms MAKE electricity and they can operate in the night. This also leads to why C is wrong. The answer is D.
8 0
3 years ago
Change over time; a change in the relative frequency of alleles in a population
Sever21 [200]

Answer:

Explanation:Population genetics is the field of biology that studies allele frequencies in populations and how they change over time.

7 0
2 years ago
A client who has been treated for chronic open-angle glaucoma (coag) for 5 years asks the nurse, "how does glaucoma damage my ey
Zigmanuir [339]
<span>causes increased intraocular pressure.</span>
3 0
3 years ago
Which statement correctly compares protists to prokaryotes?
4vir4ik [10]

<u>Answer:</u>

The correct answer is D

<u>Explanation:</u>

1- Most of the protists and all Prokaryotes are unicellular organisms.  

2- Prokaryotes lack a proper nucleus and other membrane-bounded organelles while protists have membrane-bounded nuclei and other organelles.

3- Protists have cytosol where most of the organelles are found.

4- Protists don't have a cell wall while prokaryotes have a cell wall that acts as an extra protection layer. The cell wall of the protists shapes their body.

8 0
2 years ago
Read 2 more answers
In what 2 simple ways can we restore the land?
My name is Ann [436]

Answer:

Land restoration can include the process of cleaning up and rehabilitating a site that has sustained environmental degradation, such as those by natural cause (desertification) and those caused by human activity (strip mining), to restore that area back to its natural state as a wildlife home and balanced habitat.

Explanation:

  • setting up reliable water provisioning (e.g. by digging wells or placing long-distance water pipes)
  • stabilizing and fixating the soil
7 0
2 years ago
Other questions:
  • Sicle cell disease (SCD) is found in numerous populations whose ancestral homes are in the malaria belt of Africa and Asia. SCD
    9·1 answer
  • How do virus mutations make it harder to treat a viral infection?<br> ASAP
    5·1 answer
  • Which of the following would describe Lamarck’s ideas about evolution?
    14·2 answers
  • Please sort between in animal cells in plant cells or in both.
    6·1 answer
  • --single-stranded RNA
    6·1 answer
  • Which process moves water molecules across the membrane of a cell?
    7·2 answers
  • Two rhinoceros beetles have different parents.They have different shape horns.why do the beetles have differently shape horns.
    8·1 answer
  • Which of the following is true? A. point In photosynthesis, plants use glucose, carbon dioxide and water to make oxygen and in c
    7·1 answer
  • Arrange the rock layers from oldest to youngest . Re-examine The rock outcrops if you need to. Record the order in the student g
    10·1 answer
  • Which animal is the closest living relative to a t-rex?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!