Author Question: The presence of nitrogen dioxide in smog is most easily recognized by A) color. B) low-hanging ... (Read 26 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
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
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

For a complete list of videos, visit our video library