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Snowcat [4.5K]
4 years ago
5

How did vertebrea prevent from griding against one another?

Biology
1 answer:
mr_godi [17]4 years ago
8 0

Discs are made up of an outer fibrous shell within which is a gel-like filling — I see we’re back to doughnuts again! More accurately called intervertebral discs because of their location in the body, these important structures don’t only act as shock absorbers but also behave like a flexible glue since while holding adjacent vertebrae together — and preventing them from grinding against each other — they also allow some movement of the vertebrae.

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How is relative-age dating used to determine the ages of fossils?
Dmitrij [34]

Answer:

Your answer is probably A). If you find a fossil of an armored fish in layer A, and you find a fossil of a trilobite in layer B (five layers deeper), then you can safely assume that the trilobite is older than the armored fish.

7 0
3 years ago
If a rat births several offspring after fertilization, why will these offspring NOT be genetically identical to the mother
Nataly_w [17]

Answer: The offspring will not be genetically identical to the mother because the process of mitosis mixes chromosomes frome the mom and dad.

7 0
3 years ago
2. Why is hydrogen placed in group one of the periodic table?
romanna [79]

Answer:

because, it resembles the properties of alkali earth metals as well as halogens ! OwO

Explanation:

" Hydrogen resembles the properties of alkali earth metals as well as halogens. Hydrogen has one electron in its valence shell and it also needs one more electron to get stable. ... For this the hydrogen is placed separately in periodic table ! "

P.s: sharky said thanks for the points !

6 0
3 years ago
Read 2 more answers
What is one of the main differences between the phosphorus and sulfur cycles? A) Plants absorb phosphorus mainly from the air an
Elena L [17]
The answer is <span>D) The atmosphere has no significant role in the phosphorus cycle, but is an essential part of the sulfur cycle.

</span>

<span>Phosphorus is not abundant in the atmosphere. It comes mostly from the land and ocean. Phosphorus cycle through the lithosphere, hydrosphere, and biosphere, but not the atmosphere. The reason for this is that phosphorus cannot be found in the gas state, unlike the sulfur. On the other hand, sulfur cycle partially occurs in the atmosphere.</span>

8 0
3 years ago
Read 2 more answers
-why is respiration important for a cell?
Grace [21]
Respiration is how animal cells get their energy to preform their necessary functions. Plant cells don't use respiration, because they use photosynthesis. Photosynthesis turns light into energy.

Tid-bit of info:
Cellular Respiration Formula:
Sugar + Oxygen = Carbon Dioxide + Water <span>+ ATP </span>
C₆H₁₂O₆ + O₂ = CO₂ + H₂O <span>+ ATP </span>
Photosynthesis Formula: 
Sunlight + Water + Carbon Dioxide = Oxygen + Sugar
Sunlight + H₂O + CO₂ = O₂ + C₆H₁₂O₆
6 0
4 years ago
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