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

Author Question: Twenty kilometers is a. 200,000 m b. 20,000 m c. 2,000 m d. 200 m e. 0.02 ... (Read 54 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
Twenty kilometers is
 a. 200,000 m
  b. 20,000 m
  c. 2,000 m
  d. 200 m
  e. 0.02 m

Question 2

How many focal points does a lens have?
 a. None.
  b. One.
  c. Two.
  d. Three.
  e. An infinite number of possible locations.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Athena23

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

B

Answer to Question 2

c




melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 28, 2018
Wow, this really help


marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Gracias!

 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library