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

Author Question: In order to distinguish between wavelengths independent of light intensity, one must have at least ... (Read 62 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
on: Jun 19, 2018
In order to distinguish between wavelengths independent of light intensity, one must have at least _____visual pigment(s).
 
  A) one
  B) two
  C) three
  D) four

Question 2

Most computer databases
 
  a. allow searches only by subject terms.
  b. do not contain a great proportion of the relevant articles.
  c. are updated about once every two years.
  d. allow keywords to be combined to make the search more specific.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

batool

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 19, 2018
Answer to Question 1

B

Answer to Question 2

d


rachel9

  • Member
  • Posts: 495
Reply 2 on: Jun 19, 2018
:D TYSM

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Independent assortment of chromosomes at meiosis explains Mendel’s ratio Independent assortment of chromosomes at meiosis explains Mendel’s ratio
Independent Assortment p2 Independent Assortment p2
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Curved Spacetime and the Path of Light Curved Spacetime and the Path of Light
The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment. The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment.
Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ... Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ...
Video: The Nerve Impulse

For a complete list of videos, visit our video library