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lesya [120]
2 years ago
6

Fossil fuels are made when....

Biology
1 answer:
brilliants [131]2 years ago
6 0

Answer:

A

Explanation:

organisms don't fully decompose and become trapped underground

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Which element is found in nucleic acids but not in amino acids
Sergio039 [100]

Answer:

Phosphorus

Explanation:

idk amino acids contain carbon hydrogen oxygen and nitrogen as well as sulfur sometimes

nucleic acids contain phosphorus as well as carbon hydrogen and nitrogen

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3 years ago
What cell contains what percentage of the required chromosomes
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Cells with the full set of chromosomes are

diploid somatic cells.

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4.In humans, the allele which confers the ability to roll the tongue is dominant over the allele which does not confer the abili
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Answer:

The correct answer is - 1/2

Explanation:

the ability to roll the tongue is dominant over those who can not roll the tongue. The man is Rr (man), heterozygous. The woman is recessive and can not roll

Rr (man) x rr (woman)---Parents

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R Rr (roll)

r rr (cann't roll)

The probability of their children to able to roll = 1/2 = 50%

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An endangered species means it is a kind of organism that is near extinction

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