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
Effectus [21]
3 years ago
10

How do scientists use the Doppler affect to understand the universe?

Chemistry
1 answer:
natima [27]3 years ago
8 0
Astronomers use the Doppler effect<span> to measure the frequency of light waves as an object is moving with respect to the observer</span>
You might be interested in
The process to separate the various components of a liquid mixture is called a fractional distillation true false
Black_prince [1.1K]
Decantation<span>Decantation is a process for the separation of mixtures, by removing a layer of liquid, generally one from which a precipitate has settled. The purpose may be either to produce a clean decant, or to remove undesired liquid from the precipitate (or other layers). Separate liquids
so it is false</span>
4 0
2 years ago
Read 2 more answers
What environmental condition is most likely to trigger the closing of leaf stoma? Wind, heat, darkness, or lack of moisture
erma4kov [3.2K]
Lack of moisture :)               

8 0
2 years ago
Read 2 more answers
A 56.8g sample of aluminum is heated from 79.5°C to 143.7°C. The specific heat capacity of aluminum is 0.900 J/(g*K). Calculate
Mashutka [201]

Answer:

I think the answer is A.

4 0
3 years ago
PLZ HELP!<br><br><br>How does changing the angle of a ramp affect the force required?
galina1969 [7]

Answer:

depending on how you change the angle on the ramp the kanetic energy can go up or down depending on how u angle the ramp

Explanation:

7 0
2 years ago
As described by the free-radical theory, exposure to oxidizing agents results in unstable oxygen compounds that can be neutraliz
AnnyKZ [126]

Answer: The body produce NADPH a reducing equivalents as antioxidants.

Explanation:

During the pentose phosphate pathway reducing equivalents like NADPH is produced which help to prevent oxidative stress. It reduces glutathione via glutathione reductase which converts reactive H2O2 to H2O by glutathione peroxidase.

4 0
3 years ago
Other questions:
  • Calculate the standard enthalpy of formation of carbon disulfide (CS2) from it's elements, given that C(graphite) + O2(g) → CO2(
    9·1 answer
  • Got this really tricky extra credit question I can't figure out. Anyone want to give #24 a try?
    7·1 answer
  • HELP PLEASE!!!!!
    14·2 answers
  • H20 (water) indicates there are _____.
    7·1 answer
  • The pH of an acid substance is between what values on the pH scale? A)0 and 4 B) 0 and 7 C) 7 and 14 D) greater than 14
    12·1 answer
  • Which of the following pure compounds will exhibit hydrogen bonding?
    5·1 answer
  • If aqueous solutions of ammonium sulfide and copper(II) nitrate are mixed, which insoluble precipitate is formed?
    13·1 answer
  • Help me please I really need this tomorrow
    14·2 answers
  • what is the anode of a galvanic cell made with zinc and aluminum aluminum metal zinc metal aluminum ions zinc ions​
    12·2 answers
  • Help I can’t figure it out.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!