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
Kisachek [45]
2 years ago
14

How has earths atmosphere changed over time

Biology
2 answers:
Xelga [282]2 years ago
4 0

Answer:

When earth was first formed, its atmosphere was likely composed of hydrogen, helium, and other gases that contained hydrogen. ... Over a vast amount of time, millions of years, the earth gradually cooled. When the temperature dropped enough, water vapor condensed and went from a gas to liquid form. This created clouds.

Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.

Hope that helped. x

-BARSIC- [3]2 years ago
3 0

Answer:

Hey mate....

Explanation:

This is ur answer.....

<em>When earth was first formed, its atmosphere was likely composed of hydrogen, helium, and other gases that contained hydrogen. Over a vast amount of time, millions of years, the earth gradually cooled. When the temperature dropped enough, water vapor condensed and went from a gas to liquid form. This created clouds.</em>

Hope it helps!

Brainliest pls!

Follow me! :)

You might be interested in
What are the levels of organization in the human body?
nalin [4]

Answer:

Atoms

Molecules

Organelles

Cells

Tissues

Organs

Organ systems

Human organism

5 0
3 years ago
Water
Alinara [238K]

Answer:

the answer is B

Explanation: i legit just took the unit test

5 0
2 years ago
Number of techniques for overcoming nervousness and releasing nervous energy before giving an oral presentation. One is to remin
UNO [17]

Answer: taking deep breaths

Explanation:

Apart from reminding oneself that you are prepared for the presentation. You can carry out a physical exercise like the breathing exercise by taking several deep breaths and exhaling to reduce nervousness. Also you should be mindful that the audience is there to hear you and not to judge you. In that way you can ease out tension.

8 0
3 years ago
3. What is an acid?<br> Idk
xz_007 [3.2K]

Answer:

an acid is a chemical substance that neutralizes alkalis dissolves some metals and turns litmus red typically a corrosive or sour-tasting liquid of this kind

4 0
3 years ago
A biology teacher asks his class to make models of a plant cell an animal cell and a bacteria cell aside from cytoplasm and the
slavikrds [6]

Answer:

The correct answer is ribosomes

Explanation:

Bacteria is a prokaryote which means that it does not have a nucleus and other membrane-bound organelles which are present in all eukaryotic cell-like plant cell and animal cell. All three cells have some common structures like cytoplasm and cell membrane.  

Apart from the cell membrane and cytoplasm ribosomes are the structure which is present plant, animal, and bacterial cell. Ribosomes are present in all these cells because it helps in the translation process to make protein in all there models.

In bacteria, transcription and translation are coupled because the nucleus is not present in them to separate them.

4 0
3 years ago
Other questions:
  • What is Newton's first law of motion?
    15·1 answer
  • What are the three ways thermal energy is transferred
    6·1 answer
  • What determines the time of flowering in many plants?
    13·2 answers
  • Which of the following is one factor in the type of eruption that occurs?
    13·1 answer
  • HELP 20MINUTES LEFT!
    8·1 answer
  • Can someone just tell me what a matrix is :3
    14·1 answer
  • Can someone help me with this
    7·2 answers
  • What is the answer to number 1
    5·1 answer
  • What molecule do plants pull from the air that is used to make sugar?
    9·2 answers
  • The glial cells are specialized in protecting and providing
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!