This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why does a small amount of carbon strengthen iron? A) It helps the iron pack more efficiently. ... (Read 40 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

E


maychende

  • Member
  • Posts: 556
Reply 2 on: Aug 27, 2018
:D TYSM

carojassy25

  • Member
  • Posts: 299
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Carbon dioxide emission per gigajoule of energy released Carbon dioxide emission per gigajoule of energy released
Iron Oxide Iron Oxide
Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ... Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ...
Villi and microvilli of the small intestine: (a) Tablet dissolves in the stomach. (b) Medication ... Villi and microvilli of the small intestine: (a) Tablet dissolves in the stomach. (b) Medication ...
Appendix attached to cecum into which the small intestine empties. Appendix attached to cecum into which the small intestine empties.
Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library