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

Author Question: The oldest hominid so far discovered dates back to A) 540 million years ago B) 65 million years ... (Read 277 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
on: Jul 27, 2018
The oldest hominid so far discovered dates back to
 
  A) 540 million years ago
  B) 65 million years ago
  C) a few thousand years ago
  D) 6 to 7 million years ago

Question 2

You double your distance from a constant sound source that is radiating equally in all directions. What happens to the intensity of the sound? It reduces to
 
  A) one-half its original value.
  B) one-fourth its original value.
  C) one-sixteenth its original value.
  D) one-eighth its original value.
  E) 1/ of its original value.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


rayancarla1

  • Member
  • Posts: 571
Reply 2 on: Jul 27, 2018
Excellent

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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.

Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa
Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ... Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ...
DRAMA - Don't Hold Back (Official Video) DRAMA - Don't Hold Back (Official Video)
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ... Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...
Video: Alternative Energy Sources

For a complete list of videos, visit our video library