Author Question: Copernicus believed the Earth was the center of all celestial motion. Indicate whether the ... (Read 82 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
Copernicus believed the Earth was the center of all celestial motion.
 
  Indicate whether the statement is true or false

Question 2

An iron core cannot support a star because
 
  A) iron is the heaviest element, and sinks upon differentiation.
  B) iron cannot fuse with other nuclei to produce energy.
  C) iron is in the form of a gas, not a solid, in the center of a star.
  D) iron supplies too much pressure.
  E) iron has poor nuclear binding energy.



cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

FALSE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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.

For a complete list of videos, visit our video library