« previous next »

Author Question: The presence of nitrogen dioxide in smog is most easily recognized by A) color. B) low-hanging ... (Read 10 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Aug 27, 2018
The presence of nitrogen dioxide in smog is most easily recognized by
 
  A) color.
  B) low-hanging clouds.
  C) taste.
  D) rain.

Question 2

A compound that contains only carbon and hydrogen is a(n)
 
  A) alcohol.
  B) carbohydrate.
  C) homolog.
  D) hydrocarbon.


owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 27, 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?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

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

Oxidation of Fe-bearing minerals gives rocks, soils rusty color. Oxidation of Fe-bearing minerals gives rocks, soils rusty color.
One page of color vision chart. One page of color vision chart.
Oil molecules cling to metal surfaces but easily slide against each other. Oil molecules cling to metal surfaces but easily slide against each other.
U.S. Presence and Regional Politics U.S. Presence and Regional Politics
Perception of Color Perception of Color
A color-enhanced electron micrograph of circular plasmid molecules A color-enhanced electron micrograph of circular plasmid molecules
Video: Deafness Culture

For a complete list of videos, visit our video library