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Ahat [919]
3 years ago
14

Magma reaches an area of gneiss (metamorphic rock) and causes it to melt and then cool. Creating what type of rock?

Biology
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer: It is Igneous rock

Explanation: I think that is what it is but not %100 sure

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Según la clasificación de ecosistemas, indica si los siguientes ejemplos de ecosistemas son correctos: Una piscina es un ecosist
Hatshy [7]

Answer and Explanation:

  • <em>Una piscina es un ecosistema acuático y seminatural: FALSO. </em>La piscina corresponde a un ecosistema acuático, siempre y cuando existan seres vivos habitando en ese medio e interactuando entre ellos y con los factores físicos como temperatura del agua, pH, etc. No corresponde a un medio seminatural porque su origen es totalmente artificial, es decir, hecho por el hombre.
  • <em>La pradera es un ecosistema terrestre y natural : VERDADERO. </em>Es terrestre por encontrarse en un espacio continental no inundable, y natural por no ser intervenido por el hombre.
  • <em>Un bosque nativo es un ecosistema terrestre y natural: VERDADERO. </em>Un bosque no es inundable, por lo que se considera netamente terrestre y mientras no sea intervenido por la acción humana es un ecosistema natural.<em> </em>
  • <em>Un arroyo es un ecosistema dulceacuícola y natural: VERDADERO. </em>Entre las posibles ubicaciones de un ecosistema acuático, se hayan aquellos que se encuentran en un medio de agua dulce, tales como arroyos, lagos, ríos, entre otros. Al no ser alterado por el hombre, se lo considera también un ecosistema de origen natural.    <em> </em>
  • <em>El mar es un ecosistema marino y artificial: FALSO. </em>El mar sí es un ecosistema acuático marino. Sin embargo no es un ecosistema alterado o creado por el hombre en forma artificial, sino que tiene un origen plenamente natural.
  • <em>Las ciudades son ecosistemas terrestres y seminatural: FALSO. </em>Pueden ser consideradas terrestres por estar ubicadas en el continente, pero son de origen artificial por ser creadas por el hombre.
  • <em>Las represas son ecositemas seminatural y acuático: VERDADERO. </em>Las represas son creadas en un medio natural que ha sido parcialmente modificado por el hombre, lo que las convierte en seminaturales. Corresponden a ecosistemas acuáticos de agua dulce.  
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3 years ago
What does Dioecious plants have?
lidiya [134]

Answer:

Dioecious Plants are plants of both the male and female sexes. Both male and female plants may have flowers, but one of them will have "male" flowers and the other "female" flowers.

Explanation:

7 0
3 years ago
What is an explanation of the endosymbiotic theory?.
Arte-miy333 [17]

Answer:

The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.

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3 years ago
Which statements describe the inner planets?
Vlada [557]

Answer:

mercury is one of the inner planets.

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*gases escaped from them during the planets’ formation.

*mercury, Venus, earth and mars are the four inner planets. they are also called terrestrial planets because they have solid and rocky surfaces similar to earth.

* the inner planets are much smaller than the outer planets (Jupiter, Saturn, Uranus and Neptune).

* the inner planets are composed of mainly heavy metals such as iron and nickel, and they do not have moons. during the inner planet’s formation, thick gas atmospheres are blown away .

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3 years ago
How many alleles does a single individual carry for a trait?
ivanzaharov [21]

Answer:

somatic cell contains 2 allele for every gene, with one provided by each parent of an organism

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