This topic contains a solution. Click here to go to the answer

Author Question: Why does a small amount of carbon strengthen iron? A) It helps the iron pack more efficiently. ... (Read 18 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
Why does a small amount of carbon strengthen iron?
 
  A) It helps the iron pack more efficiently.
  B) It creates voids in the iron.
  C) It forms covalent bonds with the iron.
  D) Like straw in bricks, it adds structural support.
  E) none of the above

Question 2

An alternative to using pesticides is to ________.
 
  A) grow trees and hedges that can be habitats and refuge for beneficial insects and pest predators
  B) hand-pick egg masses or larvae off plants
  C) introduce large numbers of sterile individuals to an insect community
  D) grow transgenic plants that are able to kill the bugs that eat them
  E) all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ktidd

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

A

Answer to Question 2

E




maychende

  • Member
  • Posts: 556
Reply 2 on: Aug 27, 2018
Wow, this really help


Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library