dolphine87 dolphine87

18-01-2021
Biology

contestada

What is the approximate percentage of oxygen in expired air?
A 0.04% B 4% C 16% D 21%

Respuesta :

danyellessamaroo danyellessamaroo

18-01-2021

Answer:

c: 16%

Explanation:

experied oxygen is also exhaled o2

Answer Link

Otras preguntas

PLEASE HELP ASAP!!! 70 POINTS AND BRAINLIEST TO FASTEST AND BEST ANSWER!!! PLEASE DO NOT ANSWER IF YOU DO NOT KNOW!!! Read the following excerpt from the articl

what is the best way to write about structure in paper 1 question 3

Es triste que tú ____________ las costumbres locales que no entiendes. A. juzgues B. juzgue C. juzga D. juzgas

match the activities with their ecological effects

How does this excerpt develop the theme that the United States should get involved in world was 2

What was the miracle at dunkirk? Why was it considered a miracle ?

What happenes when an election moves to a higher energy level?

PLZZ HELP NEED TO TURN IT IN BY 6:50 Read the following passage written by a teen hero: I want to be a vocal advocate for nature. I reject the idea that I am to

Hitler considered genocide the only effective way to deal with the Jewish problem in Europe. He called his program the______. a. final solution b. new order c.

a square garden has an area of 75 ft squared. a. find the length of each side in simplest radical form. b. calculate the length of each side to the nearest tent