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
My name is Ann [436]
2 years ago
13

From your perspective, how does the frequency of the waves appear to change as the airplane approches and then passes you ?

Biology
1 answer:
castortr0y [4]2 years ago
6 0

Answer:

The frequency of the waves appear to change as the airplane approaches and then passes you because the sound waves are being compressed as the airplane moves closer to you. The sound waves are being stretched out as the airplane moves away from you.

Explanation:

You might be interested in
What are the main organs in a digestive system?? Plz I will give you 100 points
Usimov [2.4K]
The Main Organs include: Salivary, glands,Zero esophagus, Sstomach, Small intestine,Large Intestine and Rectum
4 0
4 years ago
Read 2 more answers
The net number of ATP produced after substrate level and oxidative phosphorylation
klasskru [66]

Answer:

Four (4)

Explanation:

Two ATP molecules are required to start glycolysis (from glucose), and four are generated by substrate-level phosphorylation. An additional two NADH molecules are generated, which can be used to generate another three to five ATP molecules through the electron transport chain in the mitochondria.

8 0
3 years ago
Nutrients and oxygen are transferred from a mother to her developing fetus through the _____.
maria [59]
Hello! The correct answer for the blank is: Placenta.


I hope this helped you! c:
3 0
3 years ago
Briefly explain how greenhouse gases, (carbon dioxide in particular) can absorb and radiate heat inside Earth's atmosphere there
Irina18 [472]

Answer:

Explanation:

some gases prevent the escape of heat from the earth.There will be an increase in the percentage of such gases would cause the average temperatures to increase world wide.This is known as greenhouse effect.Carbon dioxide is one of the green house gases.An increase in the carbon dioxide content in the atmosphere woul cause more heat to be retained by the atmosphere and lead to global warming.

4 0
4 years ago
Edward Jenner’s smallpox inoculation experiment was based on an observation by a dairymaid that she could not get smallpox becau
I am Lyosha [343]
<span>the way that Jenner form his hypothesis from this observation is : he asked what would happen if he deliberately inoculated someone with cowpox fluid from another person based on that observation he crated an experiment which later proof that you can't get another pox if you already experienced it once</span>
3 0
3 years ago
Other questions:
  • The water cycle is also referred to as the _______ cycle.
    6·1 answer
  • What is an angiosperm
    5·1 answer
  • Evaprotion is controlled by what in a plant
    5·1 answer
  • In humans, one function of the skin is to prevent water loss. Skin releases water or holds in water when necessary. Which two st
    5·2 answers
  • What process must occur for a muscle to be able to relax?
    5·1 answer
  • Which of the following provides molecular evidence that signal transduction pathways evolved early in the history of life?Cell s
    7·1 answer
  • 19. Which type of cell has the potential to develop
    13·1 answer
  • What is the after effect of increased temperature in the atmosphere?​
    13·1 answer
  • Which is a difference between animal populations in primary succession and secondary succession?
    9·1 answer
  • Choose all that apply: which resources are most important in the geopolitical landscape?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!