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Bezzdna [24]
3 years ago
13

The group listed here that contains silica in its surface covering is the:

Biology
1 answer:
Zina [86]3 years ago
4 0

The group that contains silica the diatoms.  Diatoms are unicellular algae. They have a silica based cell wall known as a frustule, which gives each diatom a particular shape.

Diatoms exist as single cells  though some maybe found in colonies that create beautiful shapes which can be leaf - shaped, oval, round and other shapes.

The outer shells of diatoms are used in industry in the manufacture of many products such as toothpaste. The gritty texture in toothpaste is due to addition of diatoms .

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Answer: Kira has difficulty in walking in smooth coordinated manner because she has suffered injury to the cerebellum.

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Natural fabrics, such as cotton, silk, and wool, are made from animals or plant based fibers. While synthetic are man made and produced entirely from chemicals to create fabrics. such as polyester, rayon, acrylic, and more. The benefits of using textiles made from synthetic fibers is that it saves the animals and plants that the fibers are based off of. 

Hope this helped :)

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Hi there!

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