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Valentin [98]
4 years ago
5

In science, all concepts are (2 points)

Biology
2 answers:
alexira [117]4 years ago
7 0

C. Testable and Observable

Aneli [31]4 years ago
4 0
C. testable and observable 
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I don't know how to edit my original question, so I am resubmitting it. I have attached a photo with my question. I had it attac
Mumz [18]

Answer:

The correct answer is -

A: Prophase  (top left)

B: Cytokinesis  (top middle)

C :Interphase  (top right)

D :Telophase  (bottom left)

E: Metaphase  (bottom middle)

F: Anaphase (bottom right)

Explanation:

A. prophse - the first stage of mitosis, in this pahse the chromatin which is DNA and proteins, condenses in nucleus.

B. Cytokinesis  - It is the physical sepration or dividion of cytoplasm of the parental cell.

C. Interphase - This phase have no change in cell except its size as it grows and enlarges itself.

D. Telophase - formation of a nuclear membrane around chromosome set to separate the genetic material from the cytoplasm.

E. Metaphase - visible chromosomes, removal of nucleus and chromosomes present in cytoplasm.

F. Anaphase - replicated chromosomes are separated and move towards opposite poles.

7 0
4 years ago
A recent encyclopedia entry about dogs cites multiple research papers done by scientists at veterinary schools. According to the
Arte-miy333 [17]

The correct answer is C. It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.

Explanation:

Information is considered as reliable if it is supported by evidence and the author is an expert in the field. According to this, the information about the Labrador Retriever in the encyclopedia is reliable because it is based on multiple scientific studies and articles that likely used evidence such as tests, observations, among others. Besides this, the studies were done by scientists at veterinary schools, which are considered to be experts and authorities in the field of dog breeds. Thus, this source "is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools."

8 0
3 years ago
Why does the sound of something moving away from you seem to change to a lower and lower pitch?
Oksana_A [137]

The answer is D the wave sound stretches out relative person starting still

4 0
4 years ago
The sole of a gecko's foot is covered with millions and millions of small, dry "hairs" that make direct contact with surfaces, a
tamaranim1 [39]

Answer: Van der Waals forces

Explanation:

Van der Waals forces are weak intermolecular forces that depend on the distance between two particles. They are caused by correlations in the change in polarization between two nearby particles. To put it in other words, when a particle changes its polarization (becomes more positive on one end and more negative on the other), so does the adjacent particle, and the next one, and so on. This causes these particles to stick together weakly.

The tiny "hairs" increase the surface area of the gecko's feet in contact with the wall, which makes the bond stronger and allows it to support all of its weight.

Because experiments have shown that geckos stick well to both hydrophobic and hydrophilic surfaces, we can assume there aren't any hydrogen bonds present.

Ionic bonds can't be present either because geckos wouldn't stick to electrically neutral surfaces, as these bonds require charged molecules.

6 0
3 years ago
What does it mean to say that one species facilitates another species?
Slav-nsk [51]
Its when one species marries another species
7 0
4 years ago
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