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
Crank
3 years ago
13

How do astronomers measure the amount of dark matter in the universe

Advanced Placement (AP)
2 answers:
Vladimir [108]3 years ago
6 0

Hello There!

<em>Astronomers do this by comparing the gravitational mass of galaxies to the luminous mass of galaxies.</em>

KatRina [158]3 years ago
3 0

by comparing the gravitational mass of galaxies to the luminous mass of galaxies

You might be interested in
Which statement is a proportionality statement for the ratio of the sides of the triangles?
IgorLugansk [536]
I believe the answer is B. BC/EF is in the same placement as well as the other letters in the answer.
6 0
3 years ago
Read 2 more answers
The scientists experimented on microbes in different atmospheres. Which of the following statements does BEST describe their res
sineoko [7]

Answer: The microbes only grew in the bottles containing earth-like air.

Explanation:

The growth of microbe depends upon the availability of substrate, moisture, and gas. The atmosphere is a mixture of gases. Earth-like atmosphere favors the survival of many micro-organisms. Carbon dioxide, oxygen, methane, nitrogen, and others are valuable earth like gases that will favor the survival of many microorganisms. So, according to the given situation in the experiment microbes will grow in earth like air.

4 0
3 years ago
The job of tendons in the muscular system is to
serious [3.7K]

Answer:

Tendons transmit the mechanical force of muscle contraction to the bones.

Explanation:

Tendons are designed to only stretch a small amount. Their job is to transmit force between the bones and the muscles. For example, when the biceps muscle on the front top of the arm contracts, the tendon attached to the biceps muscle and elbow bone helps the muscle to pull on the elbow bones so the joint can bend.

Hope this helps!! Mark Branliest Please and thank you :)

6 0
2 years ago
“Auto alley”<br><br> Who?<br><br> What?<br><br> Where?<br><br> When?<br><br> Why?
Mekhanik [1.2K]

Explanation:

la número 3 porque la pasr de los años es así porque si

3 0
3 years ago
Read 2 more answers
What do Hobbes and Locke have in common?
Minchanka [31]

i'm sorry i have no idea :/

7 0
3 years ago
Other questions:
  • Does data from mass spectrometry indicate that modern scientists have made modifications to Dalton's model? Justify.
    15·1 answer
  • Interactive sites where users write about personal topics and comment to a threaded dissuasion are called
    15·1 answer
  • Whats the best way to ensure the accuracy and safety of your accounts?
    10·1 answer
  • What is the main purpose of this passage? ''Raise the Driving Age to Eighteen!''
    8·1 answer
  • One morning Bashu and Badri were talking to each other face to face at a crossing. If Badri's shadow was exactly to the left of
    13·1 answer
  • Which of the following explains why a hog farmer might NOT want to be involved with a vertically integrated company?
    11·1 answer
  • 4.9/7 using base ten blocks
    6·1 answer
  • What form of energy do you think microwave ovens use? Explain your reasoning.
    9·1 answer
  • What is the periodic interest on a credit card with a 15.99% APR? 1.333% 1.499% 2.665% 2.998%
    11·1 answer
  • if there is an increase of carbon dioxide in the atmosphere what would occur to primary productivity? Why?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!