« previous next »

Author Question: The amplitude of a sound wave is encoded as _________, whereas the frequency of a sound wave is ... (Read 340 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jun 21, 2018
The amplitude of a sound wave is encoded as _________, whereas the frequency of a sound wave is encoded as _________.
 
  a. loudness; pitch
 b. pitch; loudness
  c. pure tones; complex tones
 d. timbre; pitch

Question 2

Leptin is produced and secreted by
 
  a. the pancreas.
 b. the pituitary gland.
  c. the arcuate nucleus.
  d. fat cells.


nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 21, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Wave Rock Formation Wave Rock Formation
The path of sound waves through the outer, middle, and inner ear. The path of sound waves through the outer, middle, and inner ear.
Slow-Wave Sleep and Learning Slow-Wave Sleep and Learning
How to plot a sine function containing an amplitude and phase shift (Question 1 of 3) How to plot a sine function containing an amplitude and phase shift (Question 1 of 3)
Wave Refraction Wave Refraction
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Appendicitis Animation

For a complete list of videos, visit our video library