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nadya68 [22]
2 years ago
9

Which of the following types of electromagnetic radiation has the lowest frequency?

Biology
1 answer:
Ann [662]2 years ago
3 0

Answer:

D Microwaves

Explanation:

It has an electromagnetic radiation with wavelengths ranging from about one meter to one millimeter; with frequencies between 300 MHz (1 m) and 300 GHz (1 mm)

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Red blood cells are placed in water that has been distilled so there are no solutes dissolved in the water. Are the red blood ce
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Red blood cells will swell and burst.

The reason behind this is that red blood cells are okay when they are in the plasma (the watery part of the blood) because the solutes in plasma are so  well balanced that plasma is rendered isotonic. An isotonic solution is a type of solution that has the same salt concentration as its surrounding environment and thus the substances around it e.g. cells neither gain nor lose water. In the blood plasma, the red blood cells neither lose nor gain water  and so they remain intact.

However distilled water is hypotonic (has less or no solutes) and therefore osmosis will take place when red blood cell which have a higher solute concentration are placed in it. Water molecules will leave the distilled water and pass into the red blood cells through the semi-permeable membrane of the cells in an attempt to equalize the difference in osmotic pressure on either side of the membrane. In so doing, water will accumulate in the cell which will then swell to capacity and ultimately burst.

 

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3 years ago
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Prokaryotic cells and eukaryotic cells reproduce by mitotic cell division. Regardless of the type of cell, all cells must _____
BabaBlast [244]

Answer:

A

Explanation:

1. All cells, prokaryotic as well as eukaryotic cells divided into two daughter cells by mitotic division. Before division, every cell must replicate their DNA, and makes two copies of their DNA, and finally divide into two daughter cells with equal number of chromosome.

2. Each daughter cell contain equal number of chromosome and same as the parental cell in case of chromosome  number .

3. DNA replication occurs in the S phase( synthetic phase) of cell cycle.

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How many chromosomes do people with down syndrome have?
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Less then 46 so they would have 45 chromosomes
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"How are the peppered moths of 19th century England, during the Industrial Revolution, proof of evolution?"
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The color change in the moth was proof of evolution due to the fact that whenever the Industrial Revolution occurred, it caused the moths to become a darker shade. The dark colored moths kept increasing until the pollution was reduced and the original, lighter colored moths started resurfacing
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Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous?
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The correct option is Light reflects off the object and reaches our eyes.

<h3>What is Luminous?</h3>
  • The definition of luminous is giving off a very bright light or an individual or trait considered brilliant. An example of luminous is the sun. An illustration of luminous is the smile of a beautiful girl. adjective.
  • Some common synonyms of luminous are bright, brilliant, lustrous, and radiant. While all these phrases mean "shining or glowing with light," shining indicates the emission of steady, suffused, glowing light by consideration or in the surrounding evening.
  • Objects like the sun that give out or emit light of their own are named luminous entities.Other examples: Electric bulbs, torches, etc. Non-luminous entities are entities that don't have their own light but are perceptible only when light from a luminous source remembers from them. For illustration: Moon, chair, a painting, etc.

To learn more about Luminous, refer to:

brainly.com/question/25857301

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