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Scorpion4ik [409]
3 years ago
5

What is meant by Parent Elements vs Daughter Elements when finding a rocks absolute age?

Biology
1 answer:
Amanda [17]3 years ago
5 0

Answer:

Define the differences between absolute age and relative age.

Describe four methods of absolute dating.

Explain what radioactivity is and give examples of radioactive decay.

Explain how the decay of radioactive materials helps to establish the age of an object.

Estimate the age of an object, given the half-life and the amounts of radioactive and daughter materials.

Give four examples of radioactive materials that are used to date objects, and explain how each is used.

Describe how scientists know earth is billions of years old.

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According to the Punnett Square shown above
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Answer:

C. There is a 75% probability that an offspring will have brown eyes and a 25% probability that an offspring will have blue eyes.

Explanation:

Note that the brown eyes is the dominant trait, denoted by B, while blue eyes is the recessive trait, denoted by b. In all cases of the Punnett square, if there is a dominant and recessive trait, the dominant trait will always come out on top.

The given Punnett square:

\left[\begin{array}{ccc}&B&b\\B&BB&Bb\\b&Bb&bb\end{array}\right]

Note that there are 3 options (BB, Bb, Bb) respectively, in which there is the dominant trait B (brown eyes). Only in one case is there only the recessive trait b (blue eyes), or a 1/4 chance of obtaining blue eyes. Therefore, there is a 3/4 chance of obtaining a brown eye:

C. There is a 75% probability that an offspring will have brown eyes and a 25% probability that an offspring will have blue eyes.

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3 years ago
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Answer:

Grizzly bear, give me brainliest answer pls

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The skin mainly protects the body against infection by what
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I hope this helped you!

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Hello!!
A: Anaphase — 1 chromatids move towards opposite poles. I always remember that “Ana” moves to different places on the sides of town. This is where the chromatids begin to move.
B: Telophase — 4 Cytokinesis may occur. Cytokinesis is the last and final step. The sister chromatids finish moving towards the poles and then cytokinesis occurs.
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D: Prophase — 2 and 5 Disintegration of the nuclear membrane and the spindle forms. Both of these have to happen first in order for the rest of the processes to occur.
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For the bottom:
A: Algae 6 and 10. Both diatoms and kelps (plant related) are a part of the Algae general type.
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I hope I helped!! Have a great day!! :)
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