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 37 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

pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

An example of layers, or strata, of sedimentary rock that contain fossils An example of layers, or strata, of sedimentary rock that contain fossils
Three ways that factors affect mortality in response to changes in population density. Three ways that factors affect mortality in response to changes in population density.
A Bobcat finds water in Tucson, AZ. A Bobcat finds water in Tucson, AZ.
Claude Monet, Water Lilies, Morning: Willows (central section and right side). Claude Monet, Water Lilies, Morning: Willows (central section and right side).
Variations in Ocean Water Density with Depth Variations in Ocean Water Density with Depth
Elephant (Loxodonta africana) herd drinking at water hole. Etosha National Park, Namibia. Elephant (Loxodonta africana) herd drinking at water hole. Etosha National Park, Namibia.
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library