Author Question: An earthquake of magnitude ______________ on the Richter scale is the smallest that can be felt by ... (Read 41 times)

khang

  • Hero Member
  • *****
  • Posts: 569
An earthquake of magnitude ______________ on the Richter scale is the smallest that can be felt by humans.
 Fill in the blank(s) with correct word

Question 2

The percentage composition by mass of nitrogen dioxide is approximately
 a. 43 N and 57 O.
  b. 33 N and 67 O.
  c. 30 N and 70 O.
  d. 47 N and 53 O.



Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

2

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library