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
iren [92.7K]
3 years ago
14

For gas exchange to be efficient, the respiratory membrane must be ________.

Biology
1 answer:
Angelina_Jolie [31]3 years ago
5 0
<span>The correct answer is b.0.5 to 1 micrometre thick.</span>
Usually, the respiratory membrane is about 0.6 micrometres thick. This membrane consists of the alveolar epithelial cells, the capillary endothelial cell, and basement membranes which are formed by the alveolar and capillary cells.
You might be interested in
HELP! BIOLOGY EXPERTS!!!!!
julia-pushkina [17]
B :) :) :) :) :) :) :) :)
8 0
3 years ago
Read 2 more answers
14. At certain times of the year, the male sage grouse can be seen inflating the air sacs on his chest and singing loudly to a f
beks73 [17]
A courtship dance or mating ritual hope this helped 
7 0
3 years ago
how many kingdoms of life are in this graph and what group does not belong in any of the kingdoms help it’s due soon
Vsevolod [243]

Answer:

Traditionally, some textbooks from the United States and Canada used a system of six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea/Archaebacteria, and Bacteria/Eubacteria) while textbooks in countries like Great Britain, India, Greece, Brazil and other countries use five kingdoms only (Animalia, Plantae, Fungi, Protista and Monera).

5 0
3 years ago
Explain how matter may more from the hydrosphere into the biosphere
mojhsa [17]

Answer:

Whenever matter moves from one sphere into another, some process, driven by energy, causes it to happen. Here are some examples: Water moves from a river (hydrosphere) into the air (atmosphere) by a process called evaporation.

Explanation:

7 0
2 years ago
How should the population of rabbits, grass and hawks be distributed so all populations are sustainable??​
Nonamiya [84]

Answer: B )

Explanation: Hawks are on the top of the food chain in this question so it makes sense to only have few while having a good amount of bunnies to feed them. This all would need grass to bunnies alive; with process of elimination this was solved.

7 0
2 years ago
Other questions:
  • Part a what is a transitional fossil? what is a transitional fossil? a transitional fossil is in the middle of a direct lineage
    5·1 answer
  • The hormone testosterone has been linked to aggression.<br> A. True<br> B. False
    8·2 answers
  • how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
    6·1 answer
  • If an enzyme inhibitor binds at a site other than the active site of the enzyme, the nature of the inhibitor is described as
    8·1 answer
  • Sister chromatids present during mitosis are
    15·1 answer
  • What genetic technology involves inserting a gene into an organism’s DNA?
    8·2 answers
  • 100 POINTS! AND GIVE EXPLANATION!
    9·2 answers
  • A student examines a periodic table.<br> Which inferences about sodium (Na) are true?
    9·1 answer
  • All mammals have a double circulatory system. Fig shows part of the human double circulatory
    6·1 answer
  • The nucleotide or ____________ sequence must be aligned. the alignment is examined for a phylogenetic ____________ .
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!