This topic contains a solution. Click here to go to the answer

Author Question: A tornado warning is issued a. when weather conditions suggest that a tornado might form. b. only ... (Read 110 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
A tornado warning is issued
 a. when weather conditions suggest that a tornado might form.
  b. only when a tornado has been sighted.
  c. only when a tornado has been indicated on radar.
  d. when a tornado has been either sighted or indicated on radar.

Question 2

A chemical combination of two or more substances in variable proportions is called
 a. a mixture.
  b. a compound.
  c. an ion.
  d. a molecule.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

d

Answer to Question 2

b




aloop

  • Sr. Member
  • ****
  • Posts: 315

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library