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Wittaler [7]
4 years ago
6

Soil is made of _____.

Biology
2 answers:
Alex17521 [72]4 years ago
6 0

Answer:minerals and rocks

Explanation:

Simora [160]4 years ago
6 0

Answer:

easy

Explanation:

Soil is made up of a mixture of organic <u>material and minerals</u>.

Because the plants grow on top of the soil and the rocks are found underground, soil is made up of layers.

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How fast or slow are particles/atoms moving in the solid phase?
lord [1]

Answer:

In a solid atoms are packaged tightly together and move slowly

7 0
3 years ago
• ¿Qué factores son clave para el manejo correcto del microscopio compuesto u óptico cuando se observa una muestra?
leonid [27]

Answer:

1-Tener en cuenta el tamaño del objeto a observar para utilizar la lente con el aumento correcto (es decir, 10 X, 40 X o 100 X)

2-Utilizar aceite de inmersión para ver objetos en 100 X

Explanation:

El microscopio óptico posee lentes (ocular y objetivo) los cuales permiten ampliar la imagen del objeto observado. El microscopio simple y el compuesto representan dos tipos de microscopios ópticos. El microscopio compuesto es aquel que utiliza más de una lente para aumentar la imagen observada, mientras que el microscopio simple usa una sola lente (la cual se denomina lupa). El microscopio óptico puede utilizar un aceite de inmersión que permite aumentar la resolución de la imagen a través de la inmersión de la lente objetivo. Es importante señalar que durante el enfocado de la muestra se debe tener sumo cuidado de no acercar demasiado la lente a la superficie del cubreobjeto, ya que esta puede dañarse.

5 0
3 years ago
Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinis
marin [14]

Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinism--the inability to produce melanin—is inherited in humans as an autosomal recessive trait. An individual with genotype AA or Aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. The albino's skin is very pale white, and the (highly vascularized) irises of the eyes appear red because no melanin obscures the red reflectance of blood.

The frequencies aa (Parental genotype male) and Aa (Parental genotype female, predict the frequencies of all genotypes and phenotypes expected  to result from the cross of an albino male with a heterozygous female.

5 0
3 years ago
The<br> of the Earth on its axis causes
egoroff_w [7]

Answer:

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere

Explanation:

6 0
3 years ago
Read 2 more answers
Very confused,, help .
Anestetic [448]
6 could be like an orange because it’s very acidy but 7 could be banana because it’s more of a dry fruit
6 0
3 years ago
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