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

Author Question: Which of the following is the best description of how a fluorescent bulb works? A) Electrons ... (Read 33 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
Which of the following is the best description of how a fluorescent bulb works?
 
  A) Electrons flowing through the bulb get heated up within the bulb, and these electrons emit light.
  B) A gas flows from one end of the bulb to the other, and the gas atoms are energized by the electric field which causes the atoms to emit light.
  C) Electrons flow through the bulb, causing a chemical reaction in the gas atoms inside the bulb, which causes these atoms to emit light.
  D) A gas fills the bulb and when the gas atoms strike the walls of the bulb the material in the wall emits light.
  E) Electrons flow from one end of the bulb to the other, hitting gas atoms and causing them to emit light.

Question 2

The effect of de-forestation on the ozone layer problem is
 
  A) that it worsens the problem only if the wood is burned.
  B) that it actually helps reduce the problem.
  C) that it worsens the problem regardless of whether the wood is burned.
  D) essentially zero.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

E

Answer to Question 2

D




savannahhooper

  • Member
  • Posts: 576
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

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

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?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library