The grade of coal increases with compaction.
<h3>What is Compaction?</h3>
When something is crushed or compressed, it becomes compacted. After being collected, trash is often compressed to make it smaller and take up less room. Compaction is the process of making anything more compact, dense, or firmly packed.
grade of coal - The highest grade of coal is anthracite. It is a black, glossy, hard, brittle coal that is frequently referred to as hard coal. It has a high proportion of fixed carbon and a low proportion of volatile matter. Between subbituminous and anthracite, bituminous coal is the intermediate rank of coal.
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B. 6 atoms of carbon C
I would think this is the answer, because one can't just delete or add atoms; otherwise, the equation would be unbalanced. This also abides with the Law of Conservation of Mass.
Plus, I also came to that conclusion because if we look at the net equation of photosynthesis:
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The number of Carbon atoms is 6 on both the reagent's side and the product's side.
Explanation:
M+=108 is way of representing molecular formula of a compound indicating simple numbers of each type of atom in a molecule and there is no information about the structure.
Here it given the molecule is hydrocarbon with 8 carbon atom and 12 hydrogen atom. Thus the compound is C8H12.
C8H12 has one ring and two double bonds.
Answer:
B.) cement
Explanation:
The commonest types of impression evidence found in crime scenes include footprints, tire tracks, bite marks and tool marks etc.These types of impression evidence can be used by crime scene investigators to link the suspects to the crime.
The impressions are usually cast using gypsum cement and other forms of casting tools to preserve the evidence and make it useful during any period in the course of the investigation.
Answer:
Duke Ellington's (1941) number 1 hit song, he wrote with Billy Strayhorn was 'Take the A train'.
Explanation:
