Author Question: Which of the following would NOT be an advantage for walking or biking? A) It is less expensive ... (Read 23 times)

rl

  • Hero Member
  • *****
  • Posts: 579
Which of the following would NOT be an advantage for walking or biking?
 
  A) It is less expensive than driving.
  B) The fuels that provide energy for walking or biking are nonrenewable.
  C) An individual person would have a carbon-neutral effect on the environment.
  D) Walking or biking helps a person lose weight.

Question 2

Ka for HF is 7.0  10-4. Kb for the fluoride ion is ________.
 
  A) 2.0  10-8
  B) 1.4  10-11
  C) 7.0  10-18
  D) 7.0  10-4
  E) 1.4  103



zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library