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nirvana33 [79]
2 years ago
5

What are the disadvantages of Human made materials?​

Biology
1 answer:
guapka [62]2 years ago
5 0
Does not absorb moistures: Man-made fibres do not absorb sweat, trapping heat in our body. Rough feel: Man-made fibres may give the rough feel, making it unsuitable for pyjamas, underwear, etc. Some individuals are often prone to skin allergy, because of the dermatological action of Man-made fibres.
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Which of the following best describes a nuclear fusion reaction?
Jet001 [13]

Answer:

A reaction that joins the nuclei of two atoms into one  

Explanation:

Think of the words "nuclear fusion".

Nuclear = "relating to a nucleus"

Fusion = "joining"

So, nuclear fusion is the joining of two nuclei into one.

A and B are wrong, because chemical reactions involve electrons.

D is wrong, because the splitting of a nucleus is fission.

8 0
3 years ago
Human decisions about controlling erosion have very little effect on living conditions.
Vika [28.1K]

Answer:

False

Explanation:

The main cause of man-made erosion is agriculture, followed by construction and mining.

Where humans once used sticks and stones, they have since developed technology that dramatically accelerated the speed of erosio.

Hence, if human descions are to control the soil erosion then there will be a very big impact on living conditions.

7 0
2 years ago
Whether a fly has white or red eyes is due to alleles at a single locus. It is thus a _______ or _______ trait.
maxonik [38]

Answer:

The correct answer is "qualitative, discrete".

Explanation:

A qualitative or discrete trait is defined as a characteristic that have no intermediate features, and is often the result of genetic alleles at a single locus. For instance, if the form the seeds of pea could be either round or wrinkled, but not with intermediate forms. This is the case of the fly that has white or red eyes, but does not have pink eyes or other colors in between.

8 0
3 years ago
How long ago do scientists believe the continents formed Pangaea?
Andreyy89

Answer:

300 million years ago

Explanation:

5 0
3 years ago
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Describe how different types of models could be used to research a disease. Make a list of questions you would ask.
Leto [7]

Answer:

A disease model is an animal or cells displaying of the pathological process that are observed in the actual human or animal disease.

8 0
3 years ago
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