Author Question: Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the ... (Read 51 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.
 
  Indicate whether the statement is true or false

Question 2

________ were introduced into western Europe in the Middle Ages.
 
  A) Waterwheels
  B) Windmills
  C) Automobile engines
  D) Solar panels



miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library