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labwork [276]
2 years ago
13

Which process contributes to the formation of layers in protoplanets when unstable elements release particles and energy?.

Biology
1 answer:
tamaranim1 [39]2 years ago
8 0

Answer:

c. radioactive decay

Explanation:

Radioactive decay refers to the natural breakdown of unstable elements or nucleus which lead to the release of energy or particles

And i got 100 on test

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If exhibited by an expectant father, what is a warning sign of ineffective adaptation to his partner's first pregnancy?
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Answer:

Consistently changes the subject when the topic of the fetus/newborn is raised.

Explanation:

This is the decision of the couple whether they want a child or not and can discuss about the family planning as well. Different psychological aspects acn explain this matter.

The expectant father is not mentally prepared for the child. He might refuse the talks and stay away from the communication that are related to the new born child. This must be properly assessed and important to understand the feeling of the expectant father.  

Thus, the answer is consistently changes the subject when the topic of the fetus/newborn is raised.

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3 years ago
Generally, it is not possible to determine whether nondisjunction failed to occur in oogenesis or spermatogenesis. However, it i
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XYY, spermatogenesis.

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Non disjunction may be defined as the phenomena in which the sister chromatids are unable to separate during the cell division. Non disjunction can occur in both meiosis and mitosis.

The determination of non disjunction is not possible. But the XYY condition in an individual might occur when the homologous chromosomes of Y are unable to separate during the process of spermatogenesis as Y chromosome is present in males only.  

Thus, the correct answer is XYY and  spermatogenesis

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