iheartgirl6504 iheartgirl6504

26-02-2018
Chemistry

contestada

Presently, earth's atmosphere is dominated by which two gases? hydrogen and helium oxygen and carbon dioxide carbon dioxide and sulfur dioxide nitrogen and oxygen

Respuesta :

hannaheverett10 hannaheverett10

07-03-2018

"Nitrogen and Oxygen" is the correct answer. Our atmosphere is 78% Nitrogen, 21% Oxygen, and 1% other trace gasses. Hope this helps!

Answer Link

Otras preguntas

if something is shot straight up in the air at a speed of 17 m/s, how much time before I it will hit the ground

Solve the system by elimination

list 5 examples and application where geometric sequences occur in everyday life.justify your answer are geometric sequences

1. How were ancient cities similar to modern- day cities?

LCMS Industries has $70 million in debt outstanding. The firm will pay only interest on this debt (the debt is perpetual). LCMS' marginal tax rate is 35% and

HELPPPP ILL MARK U BRAINLIESTTTTT

Which statement describes how plants respond to heat?

1. Describe the society and religions of the Arabian Peninsula before the arrival of Islam.

HELPPP! Please conjugate the words in parenthesis to present tense!

What was the impact of the free trade movement in America?