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3 years ago

Most materials are not magnetic because

2 answers:

8 0

C. their magnetic domains are arranged randomly

In magnetized materials, all or most of the magnetic domains are arranged in the same direction

SashulF [63]3 years ago

6 0

Answer:

c. their magnetic domains are arranged randomly.

Explanation:

A material is classified as a magnetic material if its domains are oriented in a single direction or can be oriented in the presence of a magnetic field. Example: iron, nickel, cobalt and materials made of their combination.

In non-magnetic materials, domains are randomly arranged. For example wood, silicon etc.

Due to heat or hammering, a magnet can lose magnetic properties as the orientation of domains becomes random.

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The surgical placement of an artificial joint is known as

Alekssandra [29.7K]

Answer:

Arthroplasty

Explanation:

The restoration of function of a joint is called Arthroplasty. The bone functions are restored by maintaining the bones through resurfacing. Some times artificial joints are also used instead of resurfacing the existing bones.

Arthroplasty is a method to cure Osteoarthritis, or degenerative joint disease where joint cartilages reduces with age.

Also when medical treatments no longer make any impact on the joints of bone pain then Arthroplasty is done.

6 0

3 years ago

Which of the following is a part of the cell theory?

Neporo4naja [7]

Answer:

The correct option is D. New cells are produced from existing cells is a part of the cell theory.

Explanation:

Cell theory can be described as one of the earliest theories of biology which states that cells are the basic unit of life out of which all living things are made. The modern cell theory comprises of three main parts:

All the living forms of life are manufactured from cells.
Cells are the main unit which are involved in properly organizing a living organism.
New cells arise from pre-existing cells.

6 0

3 years ago

How can I remember this definition of law of segregation? (Like hints)

Art [367]

Segregate-separate because they sound similar

4 0

3 years ago

Which of these is most likely a characteristic of a parent isotope before it releases radioactive particles?

Rudik [331]

This is a difficult question to answer with the given information...could you add more

7 0

3 years ago

After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be

Triss [41]

<h3><u>Question</u><u>:</u><u>-</u></h3>

After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be:-

A. used as a nutrient by plants

B. fix by bacteria in the soil

C. absorbed into the atmosphere by lightning

<h3><u>Answer</u><u>:</u><u>-</u></h3>

B. fix by bacteria in the soil

<h3><u>Explanation</u><u>:</u><u>-</u></h3>

These bacteria are known as nitrogen-fixing bacteria.
These nitrogen-fixing bacteria convert nitrogen in the soil to ammonia. Ammonia can be taken up by plants.

4 0

2 years ago