« previous next »

Author Question: Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the ... (Read 61 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

rosent76

  • Hero Member
  • *****
  • Posts: 516
Reply #2 on: Aug 27, 2018
TY


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

A double bond between two oxygen atoms A double bond between two oxygen atoms
A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria. A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Pathway to the sensorimotor cortex for cutaneous fibers from the forelimb Pathway to the sensorimotor cortex for cutaneous fibers from the forelimb
Correct use of a fire extinguisher Correct use of a fire extinguisher
An emission tester that uses nitrogen to pressurize the fuel system. An emission tester that uses nitrogen to pressurize the fuel system.
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library