subject

Chemistry, 23.09.2019 18:00 robert7248

The first major source of oxygen gas was
a. volcanic outgassing
b. meteorite impacts
c. cyanobacteria
d. banded iron formations

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 05:50

What are the 4 phases of matter in order of increasing engery content?

Answers: 2

question

Chemistry, 22.06.2019 06:00

Compare and contrast physical changes with chemical changes.

Answers: 1

question

Chemistry, 22.06.2019 06:30

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Answers: 1

question

Chemistry, 22.06.2019 12:00

Which of the following units is not an official si unit? mole liter kilogram ampere

Answers: 1

You know the right answer?

The first major source of oxygen gas was
a. volcanic outgassing
b. meteorite impacts

Questions

question

Mathematics, 31.03.2021 15:10

Please please help with these trigonometry questions! (Pics below)

question

Social Studies, 31.03.2021 15:10

Someone please help me with this question ASAP

question

Mathematics, 31.03.2021 15:10

Find an expression which represents the difference when (10x−8y) is subtracted from (-4x-9y) in simplest terms....

question

Health, 31.03.2021 15:10

1 Select the correct answer from each drop-down menu. an example of a complete Proteins are macronutrients required for the function and...

question

Mathematics, 31.03.2021 15:10

Can someone help me quick. I really need help Please & thank youuu!

question

History, 31.03.2021 15:10

Answer the following question in complete sentences. Your response must reflect your full writing ability. Write as much as you can. Why did American...

question

Biology, 31.03.2021 15:10

Pls helps will reward brainliest ...

question

Engineering, 31.03.2021 15:10

briefly explain Five ways in which the influence of sport and games can lead to nation building and national unity...

question

Biology, 31.03.2021 15:10

Describe the process of cloning from start to finish....

question

English, 31.03.2021 15:10

Answer the phone question complete sentences. your response must reflect your full writing ability. right as much as you can. Describe your perfect d...

question

Mathematics, 31.03.2021 15:10

Answer asap pls no wrong answers pls ...

question

Mathematics, 31.03.2021 15:10

I WILL GIVE BRAINLIEST IF YOU SEND ONE MORE LINK AGAIN I WILL REPORT YOU

question

History, 31.03.2021 15:10

What happened after World War I to the leaders of the Young Turk government?...

question

Mathematics, 31.03.2021 15:10

Please Help ASAP Math Benchmark...

question

English, 31.03.2021 15:10

What would you write if you were chosen to be a head prefect as a speech...

question

Spanish, 31.03.2021 15:10

Alguien tiene el resumen de un saco de canicas por capitulos?...

question

History, 31.03.2021 15:10

What was the objective of the Monroe Doctrine? a)to expand US trade by reducing tariffs and other barriers to trade b)to limit the involvement...

question

Mathematics, 31.03.2021 15:10

Can someone help me? I’ll reward points + brainalist

question

Mathematics, 31.03.2021 15:10

Given f(x) = 9x + 1 and g(x) = x3, choose the expression for (fºg)(x). Click on the correct answer. 9x3 + 1x3 (9x + 1)3 9x3 +...

question

Mathematics, 31.03.2021 15:10

Review - Bookmark 13 You see a hiker sitting on a bench taking a water break at the top of a hill at a 40° angle of elevation. Your eye l...

More questions: Chemistry Another questions

Questions on the website: 13722360