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

Author Question: A cat strolls across your back yard. An hour later, a dog with its nose to the ground follows the ... (Read 100 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Aug 27, 2018
A cat strolls across your back yard. An hour later, a dog with its nose to the ground follows the trail of the cat. Explain what is going on from a molecular point of view.
 
  A) The dog is following the areas of increased density of the earth.
  B) The dog is smelling atoms from the cat.
  C) The dog is smelling molecules from the cat.
  D) The cat is leading the dog into a trap.

Question 2

What is the percent volume of water in 80-proof vodka?
 
  A) 80 percent
  B) 60 percent
  C) 40 percent
  D) 20 percent


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
Reply #2 on: Aug 27, 2018
Thank you!


cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su
In just ONE hour from now... In just ONE hour from now...
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Always take the time to install spark plug wires back into the original holding brackets (wiring ... Always take the time to install spark plug wires back into the original holding brackets (wiring ...
Using your fingertips at the edge of the eye orbit, apply L stroke down to chin and back toward the ... Using your fingertips at the edge of the eye orbit, apply L stroke down to chin and back toward the ...
Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ... Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ...
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library