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ivolga24 [154]
3 years ago
10

Is domestication the process where animals are trained to do tricks useful for human needs?

Biology
1 answer:
sergij07 [2.7K]3 years ago
4 0

Answer:

Not exactly, Domestication is the process of adapting wild plants and animals for human use.

Explanation:

domestication is not the process where animals are trained to do tricks useful for human needs instead it is the process of adapting wild plants and animals for human use.

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Write a 600 word report discussing nuclear reactors. The report should include a description of the way a reactor works and the
barxatty [35]

Answer:

Explanation:

A nuclear reactor is an installation capable of initiating, maintaining and controlling the chain fission reactions that take place in the reactor core, consisting of the fuel, coolant, control elements, structural materials and moderator in the case of nuclear thermal reactors.

The core is the part of the reactor where the nuclear chain reaction is produced and maintained.

Components of the core:

The fuel of a nuclear reactor is fissionable material.

Control rod beams provide a rapid means of controlling the nuclear reaction, allowing rapid changes in reactor power and eventual shutdown in case of emergency.

The neutrons produced in fission have a high energy in the form of velocity. Their speed should be reduced to increase the probability of other atoms fissioning and not to stop the chain reaction. This is achieved by elastic collisions of the neutrons with the nuclei of the moderator.

Most of the energy released by fission is in the form of heat. To be able to use this, a refrigerant must pass through the interior of the reactor that absorbs and transports this heat.

In a nuclear chain reaction, a certain number of neutrons tend to escape from the region where it is produced. This neutron leakage can be minimized by the existence of a reflecting medium, thus increasing the efficiency of the reactor.

When the reactor is in operation, a large amount of radiation is generated. Protection is needed to isolate the installation workers from radiation caused by fission products. Therefore, a biological shield is placed around the reactor to intercept these emissions.

A breeder reactor is a nuclear reactor that generates more fissile material in the fuel than it consumes. Considered highly attractive because of their superior fuel economy: a normal reactor consumes less than 1% of the natural uranium that starts the fuel cycle, while a 'breeder' can burn it almost completely. It also generates less waste for the same amounts of energy. Breeders can be designed to use thorium, which is more abundant than uranium. Currently, there is renewed interest in both breeder designs due to the increased price of natural uranium.

All commercial reactors breed fuel, but they have low (though still significant) breeding ratios when compared to machines that are traditionally considered breeders. In recent years, the commercial energy industry has been emphasizing high burn fuels, which last longer in the core of the reactor.

Reproduction of fissile fuel is a common feature in reactors, but commercial reactors are not optimized for this feature which is referred to as improved burning. Up to one-third of all electricity produced in the current U.S. reactor inventory comes from reproducible fuel, and the industry is working hard to increase that percentage over time.

The advantages are:

Generates a large amount of electricity

No production of greenhouse gases

Dependence on oil is reduced

Less damage to the environment

A major disadvantage is the difficult management of the nuclear waste generated.

Nuclear power plants have a limited lifetime. The investment for the construction of a nuclear plant is very high.

4 0
3 years ago
The sharing of electrons between atoms is a(n)
kolezko [41]

Answer:

A covalent bond.

Explanation:

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

3 0
3 years ago
Question 4 of 25
Katena32 [7]

Answer:

b if a bananas is grow in direct sunlight it will contain more potassium

3 0
4 years ago
Is it possible to find the same gene in two different kinds of organisms but not find the protein that is produced from that gen
Deffense [45]

Answer:

Yes

Explanation:

This is made possible by latent genes, or genes in an unexpressed state.

6 0
2 years ago
Marie Curie was a famous French-Polish scientist known for her pioneering research on radioactivity. Her work not only brought h
Liula [17]

Answer:

because of continous radiation exposure, bone marrow got destroyed and the ability to produce immunity is reduced

granulocytes

monocytes

nk cells

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