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Cloud [144]
2 years ago
5

Review the following list and select either an "h" if the item is a hazard, a "b" if it's a benefit, or "hb" if it can be both a

hazard and a benefit. pyroclastic flows volcanic ash geothermal energy lahars lava flows volcanic materials (pumice, lava rock)
Chemistry
2 answers:
pshichka [43]2 years ago
8 0
Pyroclastic flows, lava flows, and lahars are hazardous 
geothermal energy is beneficial
<span>volcanic ash</span> and volcanic materials can be both hazardous and beneficial

This questions somewhat depends on what the opinion who ever wrote the question so I don't know if all of what I said is correct according to your who wrote this but is what I believe is correct.  

I hope this helps.  Let me know if anything is unclear.
Finger [1]2 years ago
4 0

The answers are

pyroclastic flows-H

volcanic ash-HB

geothermal energy-B

lahar-H

lava flows-H

volcanic materials (pumice, lava rock)-B

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In this case, since the relationship between volume and pressure is inversely proportional, based on the Boyle's law:

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