How could you distinguish the parent rock such as sandstone or limestone from the

1 answer:

6 0

The best way to tell quartzite from sandstone is to break the rocks. Sandstone will shatter into many individual grains of sand while quartzite will break across the grains. Marble is metamorphosed limestone or dolomite.

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Familia del berilio

kogti [31]

Answer:

Beryllium family

English Transcript:

Beryllium is the lightest member of the alkaline earth metals family. These metals make up Group 2 (IIA) of the periodic table. They include beryllium, magnesium, calcium, strontium, barium, and radium. Elements in the same column of the periodic table have similar chemical properties.

Spanish (Español) Transcripción:

El berilio es el miembro más ligero de la familia de los metales alcalinotérreos. Estos metales forman el Grupo 2 (IIA) de la tabla periódica. Incluyen berilio, magnesio, calcio, estroncio, bario y radio. Los elementos de la misma columna de la tabla periódica tienen propiedades químicas similares.

5 0

3 years ago

Looking at this barometer is the air pressure high or low? What type of weather would you expect?

igomit [66]

Answer:

i think ti would be D. sorry if it's wrong.

Explanation:

3 0

3 years ago

Read 2 more answers

How does atherosclerosis affect blood pressure?

mel-nik [20]

Answer:

Blood pressure is cardiac output versus resistance, especially in the capillaries.

Explanation:

When they get atherosclerosis, which is plaque in the arteries, there’s more resistance in the blood vessels and that raises blood pressure

4 0

3 years ago

Write two questions that come to mind from reading the headings and the illustration captions.

jenyasd209 [6]

Why does the author put that there?
How are theses text features useful in my reading?

7 0

3 years ago

The anterior portion of the body of most annelids, such as the earthworm, is adapted for sensing the environment.

Diano4ka-milaya [45]

Answer:

The answer is False. Although sensitive cells are more abundant in the anterior portion of the annelid´s body, in general, they are arranged in all the segments.

Explanation:

Annelids, such as the earthworm, have a variety of sensory cells:

Mechanoreceptors, disposed of in groups in each segment of their body.

Photoreceptors: Light-sensitive cells. Although they are located in the whole body, they are abundant in anterior and posterior segments, concentrated in the intern and dorsal part of the epidermis.

Humidity receptors are the most sensitive cells and are located in the first segments of the earthworm body

Chemoreceptors: sensorial cells cumulus forming a prominent tubercle with prolongations that extends through the cuticle. These tubercles form three rings in each segment but are especially abundant in the anterior part of the body.

The tegument is very rich in free nervous terminations, which functions might be tactile.

6 0

3 years ago