This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: State the law of reflection. What will be an ideal response? ... (Read 66 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Great answer, keep it coming :)

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Seedling growth showing the triple response to ethylene. Seedling growth showing the triple response to ethylene.
A theoretical photosynthetic response curve. A theoretical photosynthetic response curve.
Pre–steady state kinetic evidence for an acyl-enzyme intermediate Pre–steady state kinetic evidence for an acyl-enzyme intermediate
An example of a cover letter sent in response to a classified ad. An example of a cover letter sent in response to a classified ad.
The Molecules of the Innate Immune Response The Molecules of the Innate Immune Response
PGC-1 and SIRT1 control the reprogramming of fuel utilization pathways in response to fasting PGC-1 and SIRT1 control the reprogramming of fuel utilization pathways in response to fasting
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library