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lisov135 [29]
3 years ago
11

What is coal primarily used for, and what advantages and disavantages does it have?​

Geography
1 answer:
choli [55]3 years ago
7 0

the primarily use of coal is mostly used for electricity generation, steel production, cement manufacturing, and as liquid fuel.  

Advantages: it helps produce electricity, coal energy is affordable energy source because coal's stable price compared to other fuels sources, coal is easy to burn, coal produces high energy upon combustion, coal energy is inexpensive, coal is abundant, coal energy is a reliable energy source.  

Disadvantages: coal energy produces large amount of carbon dioxide which leads to global warming and climate change, the burning of coal is not environmental friendly because it produces harmful byproducts and gas emission such as sulfur dioxide, carbon dioxide and nitrogen oxide that causes pollution to the environment including acid rain, coal energy is nonrenewable energy source, coal is fast depleting because we don't consume too much of it, coal mining ruins the environment and puts the lives or people especially the coal miners in danger.

have a great weekend. :)

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Redshift, cosmic microwave, background radiation
anzhelika [568]
~Hello there! ^_^

Your question: Redshift, cosmic microwave, background radiation and the amount of hydrogen in the universe. All indicate that the universe is..?

Your answer: Redshift, cosmic microwave, background radiation and the amount of hydrogen in the universe. All indicate that the universe is expanding.

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8 0
3 years ago
Which technology uses multiple approaches to effectively eliminate or control pathogens in food?
Murrr4er [49]
Use of multiple hurdle technology
 it is  a multiple ,multi level approach used to eliminate pathogens in the realization that not a single approach can be used to eliminated pathogens completely from food. it has been proved to be more effective that the use of single hurdles.
3 0
3 years ago
Minerals are fundamental components of rocks and have great economic and commercial significance to humans. Therefore, geologist
EleoNora [17]

Answer:

The items that are minerals are Quartz , Charcoal , Seawater , Amber , Granite , Synthetic diamonds , Gold nugget.

Explanation:

  • The mineral is a fundamental part of the rocks and has a great economic and commercial value. They have a set of characteristics that defines them.
  • They may be classified as inorganic or organic and maybe actually occurring or created artificially. They can be transparent and opaque, some are made of silica, and others are arranged in order of internal composition.
7 0
3 years ago
There are 14 girls and 12 boys in a class.what is the ratio of girls students
r-ruslan [8.4K]

Answer:

The ratio of girls to boys is 14:12

= 14 divided by 12

=7/6

=7:6

Explanation:

Hope this helps........ ✌❤

4 0
4 years ago
I need help with #42
sashaice [31]

The correct answer is D. Unitary.

Explanation

A unitary state is a type of state that is characterized by concentrating power in a single center of authority. However, from the center of power, tasks are delegated and extended throughout the territory of the State through its institutions and local authorities. According to the above, most African states that have a strong central government are unitary because their goverments are characterized for concentrating power in a single center of authority. So the answer is D.

8 0
3 years ago
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