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sergejj [24]
2 years ago
6

How many years ago did the rock underneath Earth's outer layer melt into

Biology
1 answer:
andre [41]2 years ago
6 0

Answer:

4.5 billion years ago

Earth hasn't always been a blue and green oasis of life in an otherwise inhospitable solar system. During our planet's first 50 million years, around 4.5 billion years ago, its surface was a hellscape of magma oceans, bubbling and belching with heat from Earth's interior.

Explanation:

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Bagaimanakah struktur xilem dapat diadaptasikan dengan fungsinya ?​
Arte-miy333 [17]

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maledetta

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during which checkpoint would damaged or improperly replicated dna halt progression through the cell cycle?
Yuliya22 [10]

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G2/Growth 2 phase

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2 years ago
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In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating
timofeeve [1]

In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating animal babies from their natural mothers, allowing them to be raised by another of their same species. This testing strategy is called Cross fostering

  • Transfer of children between mothers is known as cross-fostering. This method is used to distinguish between environmental and genetic impacts on behavior.
  • Transferring some freshly born or hatched young of species A from their mother nest to the nests of species B is the primary process of cross-fostering.
  • A behavior can be proven to have a genetic foundation if cross-fostered offspring have a behavioral attribute that is distinct from that of their foster parents and similar to that of their biological parents.
  • Similarly, environmental variables are proven to be dominating if the offspring exhibits qualities that are different from those of their biological parents and comparable to those of their foster parents.
  • There is frequently a combination of the two, demonstrating both genes.
  • This can be utilized in selective livestock breeding to combine desirable genetic traits like weight, fat distribution, or looks with ones that are influenced by the environment, like temper.

learn more about Cross fostering here: brainly.com/question/8908083

#SPJ4

6 0
1 year ago
Cystic fibrosis is caused by a recessive allele. The frequency of this allele is 0.1 in a population of 2,500.
cestrela7 [59]

Answer:

For example, the allele frequency of the mutant cystic fibrosis allele among Caucasians is 0.025, while the frequency of the normal allele is 0.975.

Explanation: hope fully this helps

5 0
2 years ago
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