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cluponka [151]
2 years ago
12

How have scientists started to study relationships between different groups of organisms?

Biology
1 answer:
guapka [62]2 years ago
7 0

Answer:

C. By using genetic analyses

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What conclusions can be drawn about the existence of carbon-12, carbon-13, and carbon-14? A) These are forms of carbon and they
Kryger [21]

Answer:

C.

Explanation:

All these carbon atoms are isotopes: they have the same amount of protons (in this case, 6 because carbon always has 6 protons) and the same amount of electrons (6 because the carbons given have a neutral charge).

Therefore, the only thing we are changing is the atomic mass and the amount of neutrons present in each isotope.

In Carbon-12, there are 6 protons, 6 neutrons, and 6 electrons.

In Carbon-13, there are 6 protons, 7 neutrons, and 6 electrons.

In Carbon-14, there are 6 protons, 8 neutrons, and 6 electrons.

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3 years ago
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Why did the White House experience water damage ?
bagirrra123 [75]

Answer:

2. It is made of sandstone which is very porous and is easily penetrated by rainwater

Explanation:

The White House is made of gray-colored sandstone that is brought from quarry in Aquia, Virginia. The north and south porticos of white house building are constructed with red Seneca sandstone brought from Maryland.  These sandstones are porous in which rainwater is easily penetrated in it that cause damage to the white house building so it is concluded that the building is made of porous sandstone.

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2 years ago
Which of the following represents the phases of mitosis in their proper sequence
BartSMP [9]
<span>Prophase, metaphase, anaphase, and telophase</span>
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3 years ago
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Thus is the question I'm NOT Sure of the awnser any help?
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A. Cohesion is a property of water that describes the attraction due to hydrogen bonding between water molecules.
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Answer:

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It represents the greatest amount of cell differentiation for the newly formed organism.

Here all the organs and system get initiation and cell differentiate to form various organs.

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