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
Colt1911 [192]
3 years ago
6

Astronomers estimate that a galaxy contains.....A.100 stars b.1 star .C,millions or billions of stars or D.100,000 stars ?

Biology
2 answers:
sdas [7]3 years ago
6 0
C. Millions or billions of stars
Stolb23 [73]3 years ago
6 0
The best answer would be <u>C) millions or billions of stars</u>.  Though, galaxies can vary drastically throughout the universe, so it is hard to estimate.  All of the visible galaxies we've observed are made up of millions, billions, or more stars. 

Hope this helps :)
You might be interested in
What is the major difficulty in treating a client with a condition caused by a multidrug resistant organism?
olga2289 [7]
Answer: <span>Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed.

Hope this helps! :)</span>
4 0
3 years ago
What can result if calcium is not replaced in bone tissue?
Westkost [7]
For the answer to the question above, I believe the answer is that the bones get or have a greater risk for bone fracture <span>if calcium is not replaced in bone tissue. The bones could become more brittle. For women, they can suffer from Osteoporosis. </span>
5 0
3 years ago
Which of these is NOT something found in the fossil record that has been used by scientists to understand human evolutionary pat
Makovka662 [10]

Answer:

The correct answer is option (d)-"All of these are found in the fossil record and have been used by scientists to understand human evolution".

Explanation:

There is plenty of evidence that supports the proposal of how humans has evolved during past times. The fossil records that scientists has used understand human evolutionary patterns include the following. Ardipithecus ramidus bones  that revealed advances in upright walking, even tough they had a small brain that measured between 300 and 350 cm3. Australopithecus lack of an opposable big toe suggest that they lived on the ground instead of in trees. Homo erectus was the first species to use and control fire, as suggested by evidence of microscopic traces of wood ash.

6 0
3 years ago
The diagnostic term furuncle actually means _________ and is a staphylococcus infection of a hair follicle or hair gland.
Sphinxa [80]

It actually means BOILS, <span>Furuncles are deeper infections of the hair follicles.  </span>When this organism invades the hair follicle it causes one of 3 different clinical patterns of infection: folliculitis, furunculosis ( boils ) or carbuncles: <span>Folliculitis is a superficial infection.</span>

3 0
3 years ago
In facilitated diffusion, __________ proteins provide openings in the plasma membrane for substances to flow through without cha
denpristay [2]

Answer: CHANNEL PROTEINS provide openings in the plasma membrane for substances to flow through without changing structure, and CARRIER PROTEINS allow passage of substances through the plasma membrane after undergoing a subtle change in shape.

Explanation: They are described thus:

A channel protein is a protein that allows the transport of specific substances across a cell membrane.

Carrier proteins are proteins that carry substances from one side of a biological membrane to the other. Many carrier proteins are found in a cell’s membrane, though they may also be found in the membranes of internal organelles such as the mitochondria, chloroplasts, nucleolus, and others.

7 0
3 years ago
Other questions:
  • The type of graph that shows data as parts or percentages of a whole is a
    13·2 answers
  • The number of domains kingdoms and classification levels
    15·1 answer
  • To incorporate desired genes, a______ is used.
    9·2 answers
  • the first hominine in the genus homo was named homo habilis because evidence indicates the member of the species used
    5·2 answers
  • What means RNA and it shape in the biology
    6·2 answers
  • Which of the following is a nucleotide found in dna
    7·1 answer
  • What is the product of meiosis ii
    6·2 answers
  • I really need help please! Thank you
    13·1 answer
  • Need help immediately please !!!
    8·1 answer
  • When did organism that could photosynthesize appear?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!