Science!
which type of coal was exposed to the highest temperature and pressures for the longest time?

bituminous

peat

lignite

anthracite

The answer is anthracite.

Explanation:

Anthracite refers to coal with the highest rank. It contains a very high carbon of over 90% and low volatile content of below 5%. Anthracite coal is much harder than other forms of coal and can be found in areas surrounding mountains or deep valleys. It is the most advantageous coal because it contains more energy and it is environmentally friendly because of its purity.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

answertrue;