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 48 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
Great answer, keep it coming :)


shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library