This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The rock pumice often floats yet the density of the rock is greater than water. Why does it float? (Read 38 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Feb 28, 2020

Question 1

Which of the following is considered pyroclastic debris?
◦ aa
◦ volcanic ash
◦ water vapor
◦ pahoehoe

Question 2

The rock pumice often floats yet the density of the rock is greater than water. Why does it float?
◦ Pumice is a rock made of rhyolite glass that erupts into water, which traps water in voids and makes the material less dense than water.
◦ Pumice is a pyroclastic rock derived from rhyolite glass, and rhyolite glass has a lower density than water.
◦ Pumice is a pyroclastic rock comprised largely of open voids formed by gases released when the magma solidified as froth-like material.
◦ Pumice is another name for dacite, a low-density rock that floats in water.
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by fox on Feb 28, 2020

voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


fox

  • Member
  • Posts: 540
Reply 2 on: Feb 28, 2020
YES! Correct, THANKS for helping me on my review

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Polar covalent bonds in water molecules Polar covalent bonds in water molecules
Steller sea lions haul out on a rock off the coast of Raspberry Island (Alaska) Steller sea lions haul out on a rock off the coast of Raspberry Island (Alaska)
Volcanoes Are Rock Factories Volcanoes Are Rock Factories
Rock-cut Tombs, Beni Hasan Rock-cut Tombs, Beni Hasan
Fogel’s Map of a Potential Water Transport Network for 1890 Fogel’s Map of a Potential Water Transport Network for 1890
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library