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Eva8 [605]
2 years ago
8

Which of the following is true of the inner core of earth?

Biology
2 answers:
Mariulka [41]2 years ago
4 0

I think B.) The average Temp is 4,000 degrees

Hope this helped!

Lady bird [3.3K]2 years ago
3 0

Answer:

Option B, The average temperature is 4,000 degrees.

Explanation:

The temperature in the inner core of earth is extremely high with the maximum temperature record of 6000  degree Celsius and an average temperature of 4000  degree Celsius.

The inner core of earth crust is made up of molten iron and nickel which rotate or move continuously , thereby producing earth's magnetic field. The iron and nickel is heavier than several element on planet earth.

Hence, option B is correct.

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What role does the cell membrane play in maintaining homeostasis
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Cellular homeostasis involves maintaining a balance of several factors that make a cell healthy. The cell membrane is a lipid bilayer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.

4 0
3 years ago
When it comes to crickets, what does fitness mean?
Effectus [21]

Answer:

Producing as many offsprings as possible so the chance of them living is higher.

Explanation:

4 0
3 years ago
Mendel's law of segregation predicts the following specific phenotypic ratios among the F, and Fa progeny from crosses between t
aleksandrvk [35]

Answer:

C. Fi 1:0, F2 3:1

Explanation:

Firstly, Mendel's law of segregation states that the alleles of a gene will randomly separate into gametes during gamete formation. In this case involving a single trait, hence, a single gene. Mendel crossed two purebreeding plants i.e. homozygous plants that produced different phenotypes for the same gene. He obtained his offsprings which he called F1 offsprings. He realized that all the F1 offsprings expressed only one phenotype. For example, when he crossed homozygous tall (TT) and short (tt) plants, he got F1 offsprings that were all tall.

He then self-crossed these F1 offsprings to produce a F2 offsprings that had a phenotypic ratio of 3:1 i.e. 3tall, 1short plant. He concluded that the alleles of the single gene had segregated into the gametes but one allele was capable of masking the expression of another, as seen in the heterozygous F1 offsprings that were all tall (Tt).

Hence, he obtained a 1:O ratio for his F1 offsprings then a 3:1 ratio for his F2 offsprings.

8 0
3 years ago
Any ideas on what it is?
Andrei [34K]

Answer:A

Explanation:

8 0
3 years ago
A table was given with the function of reproductive parts of a plant.
Fantom [35]

Answer:

I can't see what the numbers on your picture refer to but the male reproductive parts of a plant are the stamens.  Stamens have two parts: anthers and filaments.

Explanation:

8 0
3 years ago
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