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Neko [114]
3 years ago
5

Why are igneous rocks the best type of rock sample for radiometric dating

Biology
1 answer:
exis [7]3 years ago
7 0

Answer:

Because igneous Rock is separated into different minerals. Radio carbon dating works by measuring the amount of carbon dioxide.

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What changes occur in the genes of sex cell
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During Telophase 2, a nuclear envelope forms around each set of new chromosomes. In this stage, cytokinesis occurs, which is responsible for producing four daughter cells each with a haploid set of chromosomes. During the crossing-over phase some chromosomes are observed to have segments that have recombined with the original parent chromosomes.   
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When the phase is over, the two cells are now finally separated and their nuclear membranes are fully formed causing the meiosis cell division to be completed.</span>
6 0
3 years ago
Select the correct layers.
kodGreya [7K]
Answer is core sample 2
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3 years ago
2. True or false: a polio virus needs a host cell to replicate *
marin [14]

Answer:

true

Explanation:

a virus needs a host to replicate its like fleas they lay eggs on dogs to replicate

3 0
2 years ago
Humans only have a few eye colors and only four ABO-based blood types. How can DNA tests definitively identify individuals when
ehidna [41]
The correct answer is that variable number repeats are used in DNA tests; they have hundreds of possible lengths. Eye color is determined by variations in a person's genes. Most of the genes associated with eye color are involved in the production, transport, or storage of a pigment called, melanin. Eye color is directly related to the amount and quality of melanin in the front layers of the iris. 
5 0
3 years ago
Tectonic plates are pieces of the ________ that float on the more fluid ________ below. A. mantle; crust B. asthenosphere; litho
Soloha48 [4]

Answer:

The answer is E.) Lithosphere, Asthenosphere.

Explanation:

Tectonic plates belong to the layer called Lithosphere. The tectonic plates float on the Asthenosphere which is below the Lithosphere and more fluid than the crust.

From the Earth's surface to the its center we can say that the inside of the Earth is divided into four layers which, starting from the top , are:

i) the crust

ii) the mantle, (Lithosphere, Asthenosphere , Mesosphere)

iii) the outer core

iv) the inner core.

The tectonic plates are part of the Lithosphere and are constantly moving even though the crust is fairly solid. This is because the inner layers

( Asthenosphere , Mesosphere) are much are fluid and are constantly moving which tends to move the tectonic plates. When the tectonic plates collide they do so with tremendous force which leads to earthquakes and sometimes tsunamis as well resulting in a loss of life and property.

5 0
3 years ago
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