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
d1i1m1o1n [39]
3 years ago
13

Why do mountaineers become breathless as they reach high altitudes

Biology
2 answers:
Alona [7]3 years ago
7 0
There aren't enough oxygen molecules in the air are higher altitudes
nexus9112 [7]3 years ago
7 0

because as you rise the pressure increases and the air gets compressed making the oxygen to decrease and go down

You might be interested in
How do cell differentiation and cell division work together?
jarptica [38.1K]

Answer:

Cell differentiation and cell division both work together by starting out with a somatic cell(basic cell) and cell differentiation gives it the specific instructions in the DNA to enable it to perform its function, then cell division comes in also known as mitosis, and it makes the cell with the whole package included with its function

Explanation:

4 0
3 years ago
Suppose that during a detailed anatomical study of a marine invertebrate, you found a small, previously undescribed structure. H
SashulF [63]
I would break the bones and see what kind of fossils are inside
8 0
3 years ago
Why is the Sun considered “the boss” of the water cycle?
Alex

Answer:

The sun is the start of the water cycle

Explanation:

Water can not evaporate without the sun.

6 0
3 years ago
What set of arteries supplies blood to the heart
omeli [17]
Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away.
3 0
3 years ago
Someone pls help me with this, bcs i really dont know what’s happening, as im new to Biology
love history [14]

Answer:

they can cause a lot of harm in human body

Explanation:

based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.

Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.

and lots more all can do a lot of damage to the human body they can even take someone's life.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Natural selection Darwin hypothesized that there requisites for natural selection to occur and that there are definite steps to
    11·2 answers
  • Reactants bind to the enzyme at the ______.
    14·2 answers
  • In both mitosis and meiosis, _________ must occur for the process to continue to completion.
    10·2 answers
  • Do crabs have backbones?
    8·2 answers
  • What is the growth habit of pecan, peach, water oak, loblolly pine, long leaf pine, and sugar maple trees?
    13·1 answer
  • What genetic abnormality causes Down Syndrome? How does this usually happen?
    5·1 answer
  • What happens when molecules lose energy?
    8·2 answers
  • Which one of these is the most accurate in determining the absolute age of two rocks?
    15·1 answer
  • Why do we sometimes talk in our sleep?( ꈍᴗꈍ)​
    13·1 answer
  • It had not rained and yet, when Braelin walked across the grass he noticed that
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!