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Westkost [7]
3 years ago
10

Help me ls 20 points !!! i will mark brainliest just someone help me quick

Biology
1 answer:
QveST [7]3 years ago
5 0

Answer:

Mutations and sexual reproduction is the right answer

Hope it helps:)

Please mark me the brainliest if you won't mind:)

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Which event signals the birth of a star?
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nuclear fusion

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When the density and temperature at the core of the gravitationally collapsing nebula reaches values when nuclear fusion is triggered and sustained, that marks the birth of the star.

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Which of the following is the correct haploid number of chromosomes in humman?
Dima020 [189]

Answer: 23 chromosomes

In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number. In humans, n = 23.

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4 0
3 years ago
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A salt solution has a concentration of 200 g/L. How many grams of salt are contained in 500 mL of this solution?
noname [10]

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Which of the following is true about chromosomes? More complex animals have more chromosomes. Chromosomes are found in many plac
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