1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
DerKrebs [107]
3 years ago
12

An adult inhales about 6.0×10−4 m3 of fresh air during a breath. Only 20% of fresh air is oxygen. Assume the pressure in the lun

gs is 1.0×105 Paand the air is at a temperature of 300 K.
How many oxygen molecules are in each breath?

A. 1.4X10^23

B. 2.9X10^21

C. 4.9X10^-4

D. 2.9 X10^25
Biology
1 answer:
Luda [366]3 years ago
3 0

the answer is D 2.9 X10^25

You might be interested in
BETS ANSWER GETS BRAINLEIST!!!!!!!!!!!!
velikii [3]
C) The number of primary consumers will increase because since the wolf snake and hawk are gone, there won't be anybody who will eat the primary consumers aka grasshopper and rabbit 

Hope this helps!
4 0
3 years ago
Read 2 more answers
What type of epithelium has dome shaped on the apical surface? ​
Levart [38]

Answer:

Transitional epithelium has dome shaped cells on the apical surface.

4 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!
Brut [27]

Answer:

hmm thats a hard one

Explanation:

tbh tbh tbht b

3 0
3 years ago
Please help! No links
Anuta_ua [19.1K]

Answer:

An allele (UK: /ˈæliːl/, /əˈliːl/; US: /əˈliːl/; modern formation from is one of two, or more, forms of a given gene variant.

6 0
3 years ago
__________ is a discredited pseudo-scientific theory of the brain that claimed that personality characteristics could be determi
miv72 [106K]
The answer in this question is Phrenology. Phrenology is classified as the discredited pseudoscientific theory of the brain that claimed that moral character, personality characteristics and intelligence could be determined by examining the bumps on a person's skull. Phrenology is focused on the measurements of the human skull which is based on the concept of the brain is the organ of the mind.
8 0
3 years ago
Other questions:
  • A _______ is an abnormal disease-causing protein which affects the ______ of the animal or human.
    13·2 answers
  • Flagellates are microbes that have a rod-shaped flagellum that helps with their locomotion. Certain flagellates reside inside te
    5·2 answers
  • What leads to long-term immunity in mammals? . . A. Exposure to an antigen . B. Action of an antibody . C. Barriers
    11·2 answers
  • Consider the following situations: (1) a magnesium atom and two chlorine atoms join together to form a molecule of magnesium chl
    14·1 answer
  • Which of the following is not characteristic of facilitated diffusion? A It moves substances against a concentration gradient. B
    12·1 answer
  • Draw a carbon atom with the correct proton, neutron, electron numbers and formation.
    15·1 answer
  • Why is the use of coal declining in the United States?
    13·1 answer
  • PLEASE HELP IVE BEEN ON THIS QUESTION FOR 30 mins
    7·2 answers
  • If Sedimentary Layer A occurs above Sedimentary Layer C and Sedimentary Layer B is below Sedimentary Layer C, which of the follo
    5·1 answer
  • Along with other distinct traits, robust australopithecines had large __________ adapted for grinding food. Group of answer choi
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!