The answer to the question stated above is surface area.
Coal dusts<span> are fine </span>powdered<span> form of </span>coal, which are formed by crushing, grinding, or pulverizing of coal. They can be created during mining<span>, transportation, or by mechanically handling coal because of its brittle nature.</span>
The surface area of the coal dust explains why it is explosive.
Answer:
Within a population, each individual mutation is extremely rare when it first occurs; often there is just one copy of it in the gene pool of an entire species. But huge numbers of mutations may occur every generation in the species as a whole.
Works Cited:
Oct 29, 2007
Https://www.scientificamerican.com
Explanation:
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Answer: I think it would be A. Facilitated diffusion
Explanation: I think it would be a cause some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly while others have to pass through membrane proteins in a process called facilitated diffusion
If im wrong srry!
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The answer would be B) because the skin acts as a barrier to prevent pathogens from entering.
Which of the following could be a physical hazard exists?
A.) shigella Bacteria
B.) Plastic packaging
C.) All purpose flour
D.) Mold
