This topic contains a solution. Click here to go to the answer

Author Question: Human hearing is best in A) infrasonic sound. B) ultrasonic sound. C) both of these D) neither ... (Read 79 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
Human hearing is best in
 
  A) infrasonic sound.
  B) ultrasonic sound.
  C) both of these
  D) neither of these

Question 2

In air and in water the same sound travels with different
 
  A) frequencies.
  B) speeds.
  C) both of these
  D) neither of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jomama

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




jman1234

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
:D TYSM


elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library