Biology, 05.06.2020 22:00 oscargonzalez1991

Earth's early atmosphere was primarily composed of hyrogen cyanide and carbon monoxide.

oxygen and carbon monoxide.

oxygen and water vapor.

carbon dioxide, water vapor and nitrogen.

Answers: 3

Show answers

Another question on Biology

Biology, 22.06.2019 03:00

What is the approximate time of death of the body temperature is 29.4 degrees celsius

Answers: 2

Answer

Biology, 22.06.2019 05:40

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Answers: 2

Answer

Biology, 22.06.2019 11:40

What are some possible consequences of preventing prescribed burns and natural wildfires

Answers: 1

Answer

Biology, 22.06.2019 23:00

What determines whether a particular cell is able to respond to a hormone?

Answers: 3

Answer

You know the right answer?

Earth's early atmosphere was primarily composed of hyrogen cyanide and carbon monoxide.

...

Questions

Mathematics, 05.07.2019 03:00

John thunderhawk is making furniture. he finds that to design a particular cabinet and set up his shop to produce it costs $1,800. then the labor and...

English, 05.07.2019 03:00

Which sentence is an effective first sentence to use for a body paragraph? a) they nested mainly in forests with oak and birch trees. b) passenger pi...

Chemistry, 05.07.2019 03:00

This version of einstein's equation can be used directly to find what value? `δm = e/c^2...

Physics, 05.07.2019 03:00

Atuning fork, frequency 385/sec produces resources with a closed tube 20cm long and 4cm in diameter what is the speed of sound? [338m/s]...

Spanish, 05.07.2019 03:00

1. completa la oración con el imperfecto. cuando era joven, carmen siempre con las muñecas. (played)2. completa la oración con el imperfecto. mis her...

English, 05.07.2019 03:00

Which statement would be the best opening sentence for an essay on sibling rivalry? a) i am going to tell you about sibling rivalry. b) everyone shou...

Mathematics, 05.07.2019 03:00

Letter b on number 11 is all i need with. you...

Mathematics, 05.07.2019 03:00

Ineed the answer or thos problem -n+(-)+6...

History, 05.07.2019 03:00

Why do you think churchill used the phrase. a second tine...

English, 05.07.2019 03:00

Which sentence should be omitted from the following introduction? (1) many teenagers find part-time jobs to provide for their financial needs and wa...

Biology, 05.07.2019 03:00

98 points the structure of adenosine triphosphate (atp) is shown here. explain how energy stored in the chemical bonds of atp can be released....

Biology, 05.07.2019 03:00

Geography, 05.07.2019 03:00

What leadership trait involves the ability to listen to criticism...

English, 05.07.2019 03:00

Which technique does the following introduction use? in the early 1800s, millions of passenger pigeons lived in north america. indeed, one flock was...

Mathematics, 05.07.2019 03:00

For f(x) = square root of x, estimate f(17) to the nearest integer....

History, 05.07.2019 03:00

In the red badge of courage, what does henry feel extremely guilty about?...

History, 05.07.2019 03:00

Chronic causes of alcohol-related deaths are led by a. alcoholic liver disease and alcohol dependenceb. alcoholic liver disease and cirrhosisc. cancer...

Mathematics, 05.07.2019 03:00

Dan is fertilizing his garden. the garden is in shape of a rectangle l. its lenth is 15 feets and its width is 13 feet. suppose each bag of fertilizer...

Social Studies, 05.07.2019 03:00

Do you think the united states should intervene in the conflicts of other countries? why or why not?...

Mathematics, 05.07.2019 03:00

Im having a hard time on this question and i hope you can . yuto solved the equation below. -2(x+5)=-2(x-2)+5 what is the solution to yuto’s equation?...

More questions: Biology Another questions

Earth's early atmosphere was primarily composed of hyrogen cyanide and carbon monoxide. oxygen and carbon monoxide. oxygen and water vapor. carbon dioxide, water vapor and nitrogen.

Answers

Another question on Biology

Earth's early atmosphere was primarily composed of hyrogen cyanide and carbon monoxide.

oxygen and carbon monoxide.

oxygen and water vapor.

carbon dioxide, water vapor and nitrogen.