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Greeley [361]
3 years ago
9

The chemical formula for propane is C3H8. The chemical formula for olive oil is C18H34O2.

Biology
1 answer:
lisov135 [29]3 years ago
5 0

Answer:

3 is the correct answer.

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Modern Native Americans have very high frequencies of Type O blood. In some places in North and South America, the frequency is
Brilliant_brown [7]

Native Americans and Type O Blood

Modern Native Americans have very high frequencies of Type O blood.

In some places in North and South America, the frequency is as high as 100%. Anthropologists believe that early Native Americans arrived in North America by crossing over the Bering Land Bridge around 15,000 years ago, from East Asia.

Modern East Asian populations, with whom modern Native Americans share ancestry, do not have high frequencies of Type O blood. Instead, they have some of the lowest frequencies of Type O blood in the world.

B. Sickle-Cell Anemia

As many as 20-30% of people living in equatorial Africa have at least one allele on Chromosome 11 that codes for sickle-cell anemia (they have an, "S" rather than an, "A" allele). This is odd because usually, 80% of people who have two S alleles die before they can reproduce,

For each of the following cases:

1. What forces of evolution are at work?  State all that apply.

Mutation

Natural Selection

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8 0
2 years ago
Explain: what is a rock is?
Lady_Fox [76]

A rock is a solid mass of geological materials. It is a natural mass of mineral matter that makes up the earth's crust.

Hope it helped! :)

7 0
3 years ago
PLZ HELP Why might Uranus and Neptune have proportionally less elemental hydrogen in their atmosphere than their more massive co
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they are farther from the sun and most of their atmosphere is nitrogen and methane and the are smaller and have a denser core than both saturn and juipter

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What is a biome give an example
Firlakuza [10]
A biome is a large naturally occurring community of flora and fauna occupying a major habitat. An example would be a rainforest, a tundra, a forest, etc.
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3 years ago
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Most genetic diseases cannot be cured, but they usually can be treated. Please select the best answer from the choices provided.
mafiozo [28]

Answer:

True

Explanation:

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