Describe two methods by a magnet can be demagnetized

When iron rusts, iron atoms are destroyed true or false?

Thorium-229 is the radioactive substance that gives lantern mantels their eerie glow. The half life of thorium-229 is 7340 years. If one mantel consists of 0.25 grams of thorium, how much thorium will remain after 14,680 years? A) 0.0625g B) 0.

Should we invest the effort to "cure" individuals who believe that they do not have any problems? Explain. When might forced treatment be appropriate, if ever? Explain your thoughts.

How many board feet of lumber are needed assuming 200 lin. Ft. of 2""x 6"" lumber a. 12 b. 16.67 c. 120 d. 200

Why a soccer ball that is quickly rolling across a grass field slows and finally stops rolling

How are all mobile phones different from fixed telephones in the way that they transmit and receive voice messages?

Can i tank of oxygen gas ever be half empty

Marcia ran at a speed of 3.50 meters per second. How fast was she running in kilometers per hour?

What is the gravitational force related to the distance between two objects?

How does a rilling can work