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
NeTakaya
3 years ago
9

What are the main components of the earths atmosphere?

Biology
1 answer:
netineya [11]3 years ago
3 0

Nitrogen — 78 percent.

Oxygen — 21 percent.

Argon — 0.93 percent.

Carbon dioxide — 0.04 percent.

You might be interested in
How can microorganisms affect us?
butalik [34]

Answer:

They can invade our bodies and make us ill. They can cause infectious diseases like the flu or measles. Hope this helped and if it did then please mark brainliest. Have a nice day.

7 0
3 years ago
What is a dichotomous key
Svetradugi [14.3K]

Answer:

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts"

Explanation:

7 0
3 years ago
A female has a brother who is color blind and a mother who is not.
Illusion [34]
I’m pretty sure it’s a 50% chance since the colorblind mother has two kids and one of them has the trait.
7 0
3 years ago
Help please<br><br> How would different climate zones be impacted by climate change?
mixer [17]

Answer:

Changes in Earth's climate have different effects in different areas of the world. Some places will warm much more than others, some regions will receive more rainfall, while others are exposed to more frequent droughts. Regional changes in temperature and precipitation are having impacts on people and ecosystems.

6 0
3 years ago
Read 2 more answers
How does soil affect the water cycle
Nikitich [7]

Answer:

fertile soil contains more amount of water as compared to barren or infertile soil..

7 0
3 years ago
Other questions:
  • Bacteria is the simplest of cells. One special feature of bacterial cells that helps it survive in hostile environment is its
    6·1 answer
  • if you were a scientist developing a drug that would block viral replication, which steps would you block? Explain.
    12·2 answers
  • ·four valence electrons
    8·2 answers
  • What are some methods biologist use to determine evolutionary relationships
    14·1 answer
  • Explain how the sun and other main sequence<br> stars transform matter into energy
    15·1 answer
  • Identify the genotype for this pedigree chart
    10·2 answers
  • Natural selection means
    15·1 answer
  • How is the geologic time scale divided?
    6·1 answer
  • ully is riding a snowmobile on a flat, snow-covered surface with a constant velocity of 10 meters/second. The total mass of the
    5·1 answer
  • What is the name for a molecule that is made of two sugar monomers bonded together?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!