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 118 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?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

For a complete list of videos, visit our video library