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
GREYUIT [131]
3 years ago
10

Someone help me pleaseeee

Biology
2 answers:
Rudik [331]3 years ago
8 0

Answer:

B

Explanation:

oxygen and carbon dioxide

Zielflug [23.3K]3 years ago
5 0

Answer:

oxygen and carbon dioxide

You might be interested in
Which of the following accurately describes an example of how materials can move across the cell membrane through active transpo
Zinaida [17]
I am confident that the answer should be.....<span>A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.


                                      
Hope this helps.
</span>
3 0
3 years ago
Read 2 more answers
The storehouse for the phosphorus cycle is
andrew-mc [135]
Are there any answer choices for this
4 0
3 years ago
What must happen for the lungs to expand allowing you to inhale
malfutka [58]
Ur intercostle muscle between ur ribs
3 0
3 years ago
Why have only a few people ever seen a total solar eclipse?
Hunter-Best [27]

As the experts says, solar eclipse do not happen always like lunar eclipses do that is visible for a long periods of time and are observable. Unlike solar eclipse, it happens hundreds and thousands of years to see it. Few people can only see solar eclipse, and those only those people who are in the small region where the Moon's umbra strike's Earth can witness one.

7 0
3 years ago
Applying the Scientific Method to a Field Study.
Fantom [35]

Answer:

Balanced chemical equations only show formulae, not names. A balancing number, written in normal script, multiplies all the atoms in the substance next to it.

4 0
3 years ago
Other questions:
  • Which is an advantage of sexual reproduction over asexual reproduction? A) increased number of organisms and decreased genetic v
    13·1 answer
  • A serving of granola contains 25 grams of carbohydrate, 5 grams of fat, and 6 grams of protein. how many kcal of energy are in t
    14·1 answer
  • Which of these is not a virus?
    9·2 answers
  • Why do people lose more water in dry desert climates?
    13·1 answer
  • To interpret ____________ denotationfigurative languageliteral languagesound in “The Caged Bird,” the reader must look at the co
    15·1 answer
  • The genral type of plant food that is produced in the photosynthesis?
    5·2 answers
  • PLEASE HELP THEIR JUST TWO SMALL QUESTIONS!!!!!
    10·1 answer
  • Carbohydrate names end with which ending?
    8·2 answers
  • Explain the mechanism of nematocyst in Portuguese man of war?
    13·1 answer
  • Variation in carbon chains is an important source of molecular complexity. How can carbon skeletons vary?.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!