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
Liono4ka [1.6K]
3 years ago
11

The earth's first atmosphere (approximately 4.6 billion years ago) was most likely composed of ____.

Geography
2 answers:
Elena-2011 [213]3 years ago
7 0
The answer to this question is explained below:

Tha earth's first atmosphere (approximately 4.6 billion or several billion years ago) was most likely composed of the following;
First, "water vapor"
Second, "Nitrogen"
Third, "Carbon Dioxide" 

Due photosynthesis, the oxygen increase.
Strike441 [17]3 years ago
5 0
4.6 billion years ago - most likely hydrogen (H2) and helium (He)

probably rich in hydrogen compounds like methane (CH4), ammonia (NH3), hydrogen cyanide (HCN), water (H2O), and formaldehyde (HCHO). Also some N2, CO2 but LITTLE or NO free oxygen.

Molecules of H2 and He move really fast, especially when warm, that they eventually all escaped Earth's gravity and drifted off into space.
You might be interested in
Explain one physical factor that influences the distribution of coral reef ecosystems?
attashe74 [19]

Answer:

Overfishing and Destructive Fishing Methods. Overfishing by commercial producers in shallow waters depletes species of fish which are vital to the health of the reef ecosystem. ...

Climate Change. Global warming, the cause of so many ills in our natural environment, has had a terrible impact on coral reefs. ...

Tourism. ...

Pollution.

Explanation:

thank me later

3 0
2 years ago
Which of these is the purpose of OPEC?
lara31 [8.8K]

Answer:

A. controlling worldwide oil prices

Explanation:

OPEC stands for The Organization of the Petroleum Exporting Countries. It is a huge entity that controls the prices of oil internationally. It has heavy influence over politics as for example, if OPEC supported Saudi Arabia and Iran was invading Saudi Arabia, it would raise oil prices heavily for Iran and its allies.

3 0
1 year ago
Which of the following is true of flat maps? You may choose more than one answer. Flat maps may be distorted.
sergey [27]
To me all of the questions except the last one is right
5 0
3 years ago
Read 2 more answers
Which action did not help spur the growth of Taiwan's economy? The United Nations recognized Beijing as China's legal seat of go
earnstyle [38]

Answer:

The United Nations recognized Beijing as China's legal seat of government

Explanation:

Taiwan was a nation created by the Nationalist that were defeated by the Communist. They managed to escape to this island, make a stronghold, and started to develop it. The international community was on their side, so even though China was officially counting it as part of its territory, in practice that was not the case. Taiwan soon gained lot of support, and it quickly started to develop its industry. Unlike China, Taiwan established a market economy, so it was open to the world for trade, so it was selling lot of its products abroad, which in turn was constantly helping the economy grow and develop even more, rapidly making it a nation with strong economy, modern, and with high standard of living.

3 0
3 years ago
The weather conditions at a given place over a long period of time is known as what
Vikki [24]
Climate: describes average conditions over a longer period of time, while weather describes the condition of the atmosphere over a short period of time.
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the Wetherby like today
    9·1 answer
  • Describe two environmental challenges that the Middle East is facing today. How are these challenges being addressed?
    7·2 answers
  • Ang estruktura ng daigdig​
    8·2 answers
  • Earth has three main climate zones because of differences in latitude and
    5·2 answers
  • Which of the following is not a major city in the United States? A. Los Angeles B. New York City C. Boston D. Scottsdale
    11·2 answers
  • On a map what coordinates are located at o and o
    13·1 answer
  • Put the historical eras of India in chronological order. 1. Gupta period, 2. Aryan Age, 3. Arab Invasions, 4. British rule, 5. M
    15·1 answer
  • Analyze the map. Then, answer the question that follows.
    11·2 answers
  • Ok so I need help with this because I’m already flunking science and I fall asleep in class
    10·1 answer
  • The image displaying a walkable city BEST demonstrates the geographic concept of
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!