Author Question: If you cover the penumbra with a black marker, the perception of the border _____. A) remains ... (Read 69 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
If you cover the penumbra with a black marker, the perception of the border _____.
 
  A) remains constant
  B) changes from an illumination edge to a reflectance edge
  C) changes from a reflectance edge to an illumination edge
  D) can be predicted from the ratio principle

Question 2

When coming up with a research idea, one should always
 
  a. be aware of existing research.
  b. rely on one's intuition.
  c. be certain that the idea addresses real world problems.
  d. focus primarily on conflicting findings.



anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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