Compositional layers are determined by their components, while mechanical layers are determined by their physical properties.
Batteries, biomass, petroleum, natural gas, and coal are examples of stored chemical energy
Answer:
wast and minerals break down and reproduce.
Explanation:
such as fungi and bacteria: Fungi and bacteria help other things such as wast and minerals break down and reproduce. They are very important role of organisms. Without them our grounds would be full of trash and non broken down minerals.
Down syndrome is caused by the nondisjuction of the chromosome 21.
Due to the vulgarism checker, the answer can not be posted on this text editor so see attachment for more details
Learn more: brainly.com/question/9782041
Answer:
Most of the world's coal mines come from China, India, the United States, the European Union, and Australia.
Explanation:
- <u>China: </u>In the year 2018, China alone produced approximately 3523 million tonnes of coal. Though China is the largest producer of coal in the world, it has to import coal from other countries to fulfill its energy needs. China's share in the total coal produced in the world in the last 12 years is 39.7%.
- <u>India:</u> The production of coal in India reached approximately 716 million tonnes in the year 2018. The total amount of coal produced in India in the last 12 years makes up 7.5% of the coal produced all over the world.
- <u>The United States: </u>The coal produced in the United States in the year 2018 was approximately 702 million tonnes. The last 12 year share of the coal produced in the US is 16.2% of the total coal produced all over the world.
- <u>The European Union:</u> The countries that constitute the European Union togetherly produced approximately 490 million tonnes of coal in the year 2018. The last 12-year contribution of the EU to the total coal produced in the world is 9.2%.
- <u>Australia:</u> The production of coal in Australia for the year 2018 was approximately 481 million tonnes. Australia alone produced 6.2% coal of the total world production of coal in the last 12 years.