Small black print on a white background is an example of a ...

[jazziefee]

Small black print on a white background is an example of a stimulus with _________ frequency and _________ contrast.
 
  a. high; high
 b. high; low
 c. low; high
 d. low; low

Question 2

Humans need to ingest
 
  a. no fluids in addition to those contained in food.
 b. about 0.3 liters (about .10 gallons) of fluid per day.
  c. about 1 liter (about .27 gallons) of fluid per day.
  d. about 2.5 liters (about .55 gallons) of fluid per day.

[Benayers]

Answer to Question 1

a

Answer to Question 2

d