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Illusion [34]
3 years ago
12

Give two examples for of the following ,=chemical preservation and preservatives​

Biology
1 answer:
katrin [286]3 years ago
8 0
Chemical preservatives- sodium sorbate (cheese, juices)
Preservatives-nitrites, sulfites
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Disadvantages of silver fish and army ant?
dlinn [17]
One disadvantage<span> to both </span>silverfish and army ants<span> is the fact that both are very hard to get rid of when they are in your home.</span>
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2 years ago
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Identify the correct statement about the resting membrane potential of a cell. Group of answer choices
Pie

Answer:C

Explanation:

Resting Membrane Potential (RMP) is the charge difference represented as voltage difference across a nueronal cell membrane at rest.

It has a value of -50 and -75mV.

Graphically it represents the flat plateau at the last part of the curve of action potential (check the attachments)

In a normal resting cell after Action potential ;for example nuerone,the intercellular layer has more potassium ions, while the extracellular layer has more Sodium ions .

These ions have special channels called sodium and potassium channels for movement in and out of these ions by active transports.

The movements of these ions across the membranes generated electrical potential difference for action potential.

6 0
3 years ago
What evidence did Wegener make use of to develop the theory of continental drift?
timama [110]

Hi There!

Question - What evidence did Wegener make use of to develop the theory of continental drift?

Answer - A. Similar fossils were found on different continents.

Why - The reason I say this is because when Wegener found this doscoverey he had proven his theory of continental drift.

Hope This Helps :)

4 0
2 years ago
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Weathering that does not alter the chemical composition of the rock is called a. chemical weathering. c. biological weathering.
finlep [7]
Physical weathering because it affects the appearance by breaking down the rock instead of changing its chemical interior
5 0
3 years ago
In a hydra, digestion is completed _________.
OLEGan [10]

In a hydra, digestion is completed intracellularly.

Hence option (a) is correct.

Small, freshwater organisms of the phylum Cnidaria and class Hydrozoa are grouped under the genus Hydra. They are indigenous to temperate and tropical climates. 

The digestion takes place intracellularly in Hydra.

Because of their ability to regenerate and the fact that they don't appear to age or experience old age, hydra have drawn the attention of biologists.

Like most other cnidarians, hydras have a pretty straightforward digestive system.

They have a two-way digestive system, which differs from mammals in that food and waste enter and exit through the same aperture. A "blind gut" is the name for this configuration.

The center of the hydra's body is occupied by its digestive tract.

Learn more about Hydra here brainly.com/question/1808325

#SPJ4

7 0
1 year ago
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