lukasbrzy lukasbrzy

10-11-2020
Biology

contestada

What is the approximate percent of oxygen by volume present in Earth's lower atmosphere?

Respuesta :

beedrill39 beedrill39

10-11-2020

Answer: 21 percent

Explanation:

According to NASA, the gases in Earth's atmosphere include: Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent.

Answer Link

Otras preguntas

how does euglena resemble a plant cell?

Which answer corrects the error in capitalization? Which commander in world War II later became president? A. war B. Commander C. World D. Became

why was woman's work considered more important in peasant families

What was the basic social, religious, and political unit in early Japanese society?

what is the property of 5(11z + 6z + 29) ?

How can I simpliy |-15| + |-26|?

Epidemics like smallpox often spread rapidly and wiped out entire native tribes. Why weren’t these diseases as fatal for the Spanish? A) The Spanish had vaccina

25 percent of a number is 8 what is that number

fractions between 1 and 2

Which Civil War leader wrote and delivered an address at Gettysburg that has been admired ever since as one of the best speeches in the English language? Thomas