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
Illusion [34]
3 years ago
14

NEED HELP ASAP!! Please no links!!

Biology
2 answers:
Dmitriy789 [7]3 years ago
5 0

Answer:b) The air at high altitudes are less dense, so its harder to breathe.

Explanation:

AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.

andrew-mc [135]3 years ago
4 0
B because it would be harder to breathe
You might be interested in
Tell me one specific instance where science was or is being used to make decisions.
Alchen [17]
<span>There are several instance today of how science can be used to make decisions. One very good example is forensic determination of a baby paternity. In a situation where there is controversy over the paternity of a child, DNA analysis can be used to determine the true father of a child.</span><span />
4 0
4 years ago
How did chloroplasts end up in the producers cell
Oduvanchick [21]

Answer:

they were a paracite

Explanation:

the mitochondrial theorem or something. basically they live in a symbiotic relationship but originally it was two separate life forms. this is true for the mitochondria and chloroplasts

6 0
3 years ago
PLEASE ANYONE I NEED HELP!!!!
Lerok [7]

Explanation Worked out

4 0
3 years ago
You encounter two populations of the same species of slope ivy on a mountain. Population A is found in a humid valley. Its leave
patriot [66]

Answer:

a

Explanation:

5 0
3 years ago
Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas.
Inga [223]
True, Methane is a greenhouse gas
8 0
3 years ago
Read 2 more answers
Other questions:
  • Why are STEM cells controversial?
    11·1 answer
  • Which is the function of the DNA helicase enzyme in the DNA replication process?
    15·1 answer
  • A man has A blood (genotype BB) is married to a type B person ( genotype BO) what proportion of their children will have
    10·1 answer
  • Multiple choice just double checking the answer would be D Correct?
    7·1 answer
  • A scientist discovered that Earth’s outer layer is made of plates. These plates can move. The movement of these plates explains
    15·1 answer
  • Suppose a population is carrying a condition controlled by two alleles: R (dominant) and r (recessive). If the frequency of the
    5·2 answers
  • Which of the following best describes the use of a non-renewable resource?
    12·2 answers
  • For a population to be in Hardy-Weinberg equilibrium, the population must
    15·2 answers
  • What is the inkiphalin command?​
    8·1 answer
  • Which of the two seal groups, earless seals or fur seals, can move rapidly on land? why?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!