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
andrey2020 [161]
3 years ago
15

Which of the following describes how scientists separate the chemical layers of the Earth?

Geography
1 answer:
Komok [63]3 years ago
8 0

Answer:

b : based on the atoms and molecules in each layer

You might be interested in
Which is a valid cause-and-effect relationship identified by the author?
LenaWriter [7]

Answer:

C. Populations of prairie chickens and passenger pigeons have been reduced by the loss of the burying beetle.

Explanation:

6 0
4 years ago
Water that flows downhill along Earth's surface is called
Harlamova29_29 [7]
Water that flowsalong earth's surface is called runoff.
3 0
4 years ago
The Chandra X-Ray Observatory must operate in space because:
jarptica [38.1K]

Answer:

B) X rays do not penetrate Earth's atmosphere

Explanation:

The Chandra X-Ray observatory should operate in space due to the nature of the radiation it is using. X-rays are high energy electromagnetic radiations. The observatory will not be able to function properly since it uses x-ray because, the rays cannot penetrate the earth's atmosphere. A radiation of this type would easily be cut off by the particles in the atmosphere. The observatory has to be positioned outside of the earth.  

6 0
4 years ago
Why are loess sediments important?
myrzilka [38]
The answer is B) Extremely fertile soils
3 0
3 years ago
The theory of continental drift is
jenyasd209 [6]
Supported by evidence from landforms, fossils, and rocks
8 0
4 years ago
Read 2 more answers
Other questions:
  • Selecting candidates by gathering a number of signatures from qualified voters is called _____.
    14·2 answers
  • Hi, how are you today I have some questions in science subject on alef website can you please help me because I have some questi
    15·1 answer
  • Which of the following is not generally a reason why humans create boundaries? A. territoriality B. protection and security C. i
    10·1 answer
  • Name of the largest freshwater lake in Central America
    5·1 answer
  • The Red Sea formed as the African Plate moved apart from the Arabian Plate. Which type of boundary was involved in the formation
    14·1 answer
  • 15. What type of physical feature can be found in a tropical
    10·1 answer
  • PLEASE HURRY 20 POINTS IF YOU ANSWER SOON Select the correct text in the passage.
    5·2 answers
  • 1. Which of the following is a national resource?
    13·2 answers
  • Which of these best described climate?
    5·1 answer
  • 21
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!