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

Author Question: State the law of reflection. What will be an ideal response? ... (Read 84 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
State the law of reflection.
 
  What will be an ideal response?

Question 2

Suppose that there are 10 billion (10,000,000,000,000 ) habitable planets in our galaxy, that 1 in 5 habitable planets has life, that 1 in 1000 planets with life has at some point had an intelligent civilization, and that 1 in 1000 civilizations that
 
  have ever existed is in existence now. How many civilizations would exist at present? A) 200,000
  B) 2,000,000
  C) 20,000
  D) 20,000,000



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

C.mcnichol98

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

The angle of incidence is equal to the angle of reflection.

Answer to Question 2

B




humphriesbr@me.com

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
Excellent


brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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