kkyylleerr kkyylleerr

01-02-2021
Biology

contestada

What percentage of the atmosphere is
Nitrogen gas N2

Respuesta :

beautifulcharm beautifulcharm

01-02-2021

Answer:

78 percent

Explanation:

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

Answer Link

Otras preguntas

how do you think earths large temperature gradient affects the speed of its convection currents how would this speed change if earths core was cooler

1. Find the distance between the points A(1,0) and B(0,0).

The perimeter of a rectangle is 64 feet. If one side of the rectangle has a length of 20 feet. How long is the other side? Please answer thanks

Why do you think per capita is expressed in US dollars

work out the value of y when x = 4 30 points

family. This her Which claim could use the excerpts given above as textual support?

Combine like terms in the given polynomial. Then, evaluate for x = 4, y = – 2. xy – 2xy + 3x2 y — 4x y2 + 2xy2 3x2 y + 2xy2 – xy; – 56 C - xy – 2xy2 + 3x2y; – 5

x and y are integers and 0 < x < y. Write down two sets of values for x and y such that 6 = /3x+2y.

A right cylinder has a radius of 3 and a height of 12. What is its surface area? O A. 9077 units2 B. 72 units2 O C. 10877 units D. 457 units2

Time of action is indicated by verb____. A) Tense B) Mood C) Voice