Answer:
La historia de la química abarca un periodo de tiempo muy amplio, que va desde la prehistoria hasta el presente, y está ligada al desarrollo cultural de la humanidad y su conocimiento de la naturaleza. Las civilizaciones antiguas ya usaban tecnologías que demostraban su conocimiento de las transformaciones de la materia, y algunas servirían de base a los primeros estudios de la química. Entre ellas se cuentan la extracción de los metales de sus menas, la elaboración de aleaciones como el bronce, la fabricación de cerámica, esmaltes y vidrio, las fermentaciones de la cerveza y del vino, la extracción de sustancias de las plantas para usarlas como medicinas o perfumes y la transformación de las grasas en jabón.
The correct answer is that different genes are expressed in different cells.
The cellular differentiation is the process in developmental biology where a cell modifies from one kind of cell to another. Most generally the cells are modified to a more specialized kind. Differentiation takes place various times at the time of development of a multicellular species as it modifies from a basic zygote to a composite system of tissues and kinds of cells.
My answer will be because these characteristics intervene in the capture and assimilation of the food, having 4 general food behaviors: (1) detritivores, consume a lot of material from the bottom of the water source, (2) herbivores, who consume mostly plant components (filamentous algae and higher plants); (3) periphyton consumers, who are characterized by feeding on microalgae and microinvertebrates and (4) omnivores, in which they indistinctly feed on plant material as an animal of different origin.
Answer:
By researching, I would think that the answer is D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.
Explanation:
<em>During precipitation formation, if temperatures are at or below freezing, 0°C (32°F), at cloud level, water in the air freezes into ice crystals, and the crystals stick together to make snow. The snow starts to fall, and if the air column is freezing cold all the way down from the clouds to the ground, the precipitation stays frozen. It simply falls as snow.</em>
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<em>Sometimes, however, a temperature inversion occurs. Normally, the temperature decreases with increasing altitude. A temperature inversion is when a layer of warm air intrudes between the ground and the clouds.</em>
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<em>Under these conditions, when the falling snow reaches the layer of warm air, it melts. Then it hits the layer of cold air just above Earth’s surface and refreezes. This all happens very fast, and the result is tiny ice pellets called sleet.</em>
<span>State rules apply, but normally no less than how long you must keep a prescription file in records. If you did it for VA, your headquarters has to keep them for 75 years after the very last prescription for that patient.
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