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
pogonyaev
4 years ago
10

How can astronomers tell what a distant object's velocity is?

Biology
1 answer:
IgorLugansk [536]4 years ago
3 0
A.) By measuring the redshift or blueshift , which is actually nothing but spectral lines on electronmagnetic spectrum of that
You might be interested in
List 2 organisms that are NOT plants that have the ability to do photosynthesis.
Alex

Answer:

- The Green Sea Slug

- Pea Aphids

8 0
4 years ago
What might happen if a migrating bird loses its ability to move to new place during parts of the year
denpristay [2]
<span>the bird will hibernate instead</span>
4 0
4 years ago
Read 2 more answers
Which of the following is the correct measurement for the volume of liquid shown below?
artcher [175]
51
hope that helped you on your journeys

6 0
3 years ago
Read 2 more answers
Natural selection is completely random?
ale4655 [162]
Yes but no? The genetic variation on which natural selection acts may occur randomly, but natural selection itself is not random at all. ... The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.
3 0
3 years ago
Explain what selective permeability is and how this relates to the cell membrane? pls help
aliina [53]

Answer:

Well selectively permeable means that the membrane selects what goes in and out of the cell

Explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • What happens to the sodium and potassium ions when the neurons are stimulated? How does their concentration inside and outside t
    8·2 answers
  • Compare the blood component (in the blood sample) of a normal person and that of a person suffering from leukemia disease (eg: s
    15·2 answers
  • How do the effects of radiation in coastal areas, forest areas, and desert areas compare?
    7·1 answer
  • In your own words, explain how changes in the number of sunspots is related to changes in global climate.
    5·1 answer
  • Why did you cut out the chromosomes in pairs
    14·1 answer
  • Why did Mendel remove the stamens of some pea plants during his first experiments? Select all correct answers.
    10·1 answer
  • Which Two Organisms Are Closely Related, How do you know they share the same ancestors, and What evidence (besides the taxonomic
    8·1 answer
  • What major evolutionary changes can be seen in the fossil record for Pakicetus
    8·1 answer
  • Compared to a polygenic trait, a single-gene trait tends to have.
    13·1 answer
  • The smallest contractile unit within skeletal muscle would correspond to the distance between which two points in the figure?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!