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kow [346]
3 years ago
5

The radiometric date of a metamorphic rock most likely represents when the rock was _____.

Biology
2 answers:
Lerok [7]3 years ago
6 0

The correct answer is (a) heated during metamorphism.

Radiometric dating is a technique used to date a material and to find the relative age of the material. When a rock is radiometrically dated then the age of rock is determined when the rock crystallized. The crystals of the rocks will roughly be of the same age. The radiometrically dated metamorphic rock determines the age, when the rock was heated during metamorphism. The main problem of this is that the rock is heated at a high pressure during metamorphism and because of this reason different crystals show different age.


Novay_Z [31]3 years ago
4 0
A) heated during metamorphism
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Should be Eukarya, I think
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The roots of the aquatic plant hydrilla are poorly developed and lack xylem tissue. Which is an appropriate justification for th
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C) As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.

7 0
3 years ago
Una parte de la radiación
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La troposfera es la capa de la atmósfera donde una parte de la radiación infrarroja es absorbida por los gases de efecto invernadero.

En la capa de la troposfera, que es la capa más baja de la atmósfera, hay vapor de agua, dióxido de carbono, metano y algunos otros gases que son responsables de la absorción de la radiación infrarroja. Parte de la radiación infrarroja se escapa al espacio, pero una parte es detenida y absorbida por los gases de efecto invernadero presentes en la atmósfera.

Esta absorción de radiación infrarroja por los gases de efecto invernadero contribuye a un aumento de la temperatura de la superficie de la tierra y de la atmósfera. Entonces, podemos concluir que la troposfera es la capa de la atmósfera donde una parte de la radiación infrarroja es absorbida por los gases de efecto invernadero.

Learn more: brainly.com/question/25552770

4 0
2 years ago
Which choice best describes the parts of the water cycle? The sun's thermal energy causes water on the earth to evaporate. The w
Travka [436]

Answer:

The sun's thermal energy causes water on the earth to evaporate. The water vapor then condenses and forms precipitation. The precipitation then falls back to the surface of the earth.

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<u>The water cycle is an illustration of how water continuously moves or circulates between the atmosphere and the various parts of the earth. </u>

<em>Evaporation of water from the surface of the earth by the thermal energy from the sun causes water to leave the surface of the earth into the atmosphere. When the atmospheric water vapor (humidity) at the upper strata of the atmosphere becomes high, the vapor condenses to form clouds which later forms precipitation that falls back to the surface of the earth.</em>

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4 0
3 years ago
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A drought causes a wildfire which destroys a forest. Which Earth systems interact during this process? (1 point) Select one: a.
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<u>Answer:</u>

<em>It is the biosphere and hydrosphere that interact when a drought causes a wildfire that destroys a forest. </em>

<u>Explanation:</u>

Hydrosphere consists of all the water bodies of earth like oceans, seas, rivers, lakes etc.  a drought occurs due to scarcity of water which affects the hydrosphere. The scarcity of water causes plants and trees to dry up and become more prone to catching fire

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6 0
3 years ago
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