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yaroslaw [1]
3 years ago
8

9.   An element's atomic number is the      A. mass of the atom. B. number of protons in an atom's nucleus. C. sum of the proton

s and neutrons in an atom. D. weight of the atom.
Social Studies
2 answers:
viktelen [127]3 years ago
4 0
B number of protons
Natalija [7]3 years ago
4 0
<span>number of protons in an atom's nucleus
</span>
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cgcgbmhvghcgb

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4 years ago
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What are some observable properties of solids, liquids, and gases
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A trait is caused by a rare dominant autosomal allele with full penetrance. Practically all individuals with the trait are heter
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Answer:

Explained

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Dizygotic twins are non-identical twins or fraternal twins formed from the fertilization of two different eggs with two different sperm cells.

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C = Number of concordance pairs/(number of concordant pairs + number of discordant pairs)

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Dizygotic twins have a concordance value of less than 5 % for a trait.

For identical twins the number of concordant pairs would be 50 out of 100.concordant pair would be

For non-identical twins, the number of concordant pair would be 17 out of 100.

For a recessive trait to be expressed, both the parents should be heterozygous for that trait.

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3 years ago
What are impacts of urbanization on land use in Ghana?
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