Subjects
English
History
Mathematics
Biology
Spanish
Chemistry
Business
Arts
Social Studies
Physics
Geography
Computers and Technology
Health
Advanced Placement (AP)
World Languages
SAT
German
French
Medicine
Engineering
Law
JOIN NOW
LOG IN
Mathematics
, 22.08.2019 09:30,
binodkharal2048
What gas important to life was absent from earth’s earliest atmosphere?
a.
nitrogen
b.
methane
c.
oxygen
d.
carbon dioxide
Answers: 2
Show answers
Answers
answered:
misslux
The answer would be C, oxygen because there was not a sufficient amount.
answered:
61497
Nitrogen i think is the asnwer
answered: Guest
Wow. that is a really cool question.
answered: Guest
Ithink it's the first one ( let me know if it right)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:20,
ellenharley7
What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7
Answers: 1
continue
Mathematics, 21.06.2019 18:40,
ariloveshorses
Which statements regarding efg are true? check all that apply.
Answers: 1
continue
Mathematics, 22.06.2019 02:10,
kallie862
The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price
Answers: 1
continue
Mathematics, 22.06.2019 02:30,
madi2878
How many and of which kind of roots does the equation f(x)=x3−x2−x+1
Answers: 2
continue
Do you know the correct answer?
What gas important to life was absent from earth’s earliest atmosphere?
a.
nitrogen
Questions in other subjects:
Engineering, 20.04.2020 22:41
Determine the angle φ at which the applied force P should act on the pipe so that the magnitude of P is as small as possible for pulling the pipe up the incline. What is the corres...
Answers
Chemistry, 20.04.2020 22:41
Two friends, Pamela and Elaine, compared snack items they planned to enjoy during a work break. Pamela's snack was a small bag of shortbread cookies composed of 2.6 grams fat, 21 g...
Answers
History, 20.04.2020 22:41
During the Great Migration of World War I, over a million black Americans moved from the rural South to northern urban centers. New York’s Harlem gained a reputation as the "capita...
Answers
Mathematics, 20.04.2020 22:41
An animal shelter spends $1.50 per day to care for each bird and $7.50 per day to care for each cat. Matthew noticed that the shelter spent $73.50 caring for birds and cats on Wedn...
Answers
Social Studies, 20.04.2020 22:41
County governments are established by . the legislative branch the state constitution the executive branch none of the above...
Answers
Mathematics, 20.04.2020 22:41
Which formula is used to calculate the standard deviation of sample data? s = StartRoot StartFraction (x 1 minus x overbar) squared + (x 2 minus x overbar) squared + ellipsis...
Answers
Social Studies, 20.04.2020 22:41
All of the following led to economic expansion in West Texas after the Civil War EXCEPT: a. ranchers b. dry farmers c. the railroad d. Quanah Parker...
Answers
Biology, 20.04.2020 22:41
A sunscreen with a higher SPF blocks out fewer UV rays...
Answers
Mathematics, 20.04.2020 22:41
A right cylindrical solid is cut in half to form the figure shown. If the length is 20 cm and the diameter is 8 cm, what is the surface area...
Answers
Chemistry, 20.04.2020 22:41
You will create a 3-D model (diorama) or a 2-D model (poster) showing the movement of matter. Your model must include the following: •labels of plants, animals, decomposers, and th...
Answers
Other tasks in the category: Mathematics
More task
Instant access to the answer only in our app
And millions of answers to other questions
Be smarter, download now!
See results (0)
The answer is not found?
Ask an expert a question
Join now
Email
Password
Your question
Log in
Forgot your password?
Too short question
Next
Log in
Email
Password
Join now
Forgot your password?
Invalid login or password
Log in
You are registered.
Access to your account will be opened after verification and publication of the question.
Next
Password recovery
Email
New password sent to your email
Ok
Close
Ask your question to an expert
Your name
Email
Question
Pick a subject
Pick a subject
Mathematics
History
English
Biology
Chemistry
Physics
Social Studies
Advanced Placement (AP)
SAT
Geography
Health
Arts
Business
Computers and Technology
French
German
Spanish
World Languages
Add a question text of at least 10 characters
Add photo
Send
Question sent to expert. You will receive an answer to the email.
OK
Snap now
Close
×
Unlimited access
for verified users only.
Create an account now
Please enter a valid email address
We won't spam you. We value your privacy.
Already have an account?
Log in
×
Welcome
Wrong login or password
Forgot your password?
×
Forgot your password?
Wrong login
Already have an account?
Log in