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
antoniya [11.8K]
3 years ago
7

How did scientists determine earths layers?

Geography
1 answer:
Hatshy [7]3 years ago
3 0
Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
You might be interested in
From what northern european tribes are the english people descended?
a_sh-v [17]
The first people to be called English were the Anglo-Saxons
3 0
3 years ago
What can't contour lines cross
Thepotemich [5.8K]
The answer to this question is:

What can't contour lines cross?.✔️<span> "Can't have</span> two different elevations at the same point"

Hoped This Helped, <span>Essencebritt33 
Your Welcome :)</span>
7 0
3 years ago
How many country's are in Africa<br>​
alisha [4.7K]

Answer:

54

Explanation:

54 country's are there in Africa

7 0
3 years ago
Read 2 more answers
What would most likely happen if the carbon dioxide in earth's atmosphere were reduced to half?
ivann1987 [24]
There would not be enough oxygen to breathe
6 0
3 years ago
What is the radius of the moon
anzhelika [568]
Sun= 696,340 km
earth= 6,371 km
moon= 1,737.1 km
8 0
3 years ago
Read 2 more answers
Other questions:
  • Mining companies have technology that can detect rock formations underneath Earth’s outer layer. One mining company detects an i
    5·1 answer
  • Which of the following statements is false?
    10·1 answer
  • What type of weather does low barometric pressure usually create?
    5·2 answers
  • Which of the following best describes a fault? a. A giant gap or canyon at the Earth's surface. b. A cave or large hole hidden u
    5·1 answer
  • The sum of four and a number is twenty ​
    5·1 answer
  • What problems did Haiti experience after this earthquake?
    6·1 answer
  • Which of the following sets of numbers could represent the three sides of a triangle? O {11, 17, 26} O {8,10,19} Submit Answer O
    9·1 answer
  • Tornadoes are most likely to form between 3 p.m. and 9 p.m. <br> true or false
    11·1 answer
  • Louisiana
    11·1 answer
  • What are the eight-digit grid coordinates for the northern most point of scott lake's shoreline?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!