As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Trig Degrees/Radians unit circle
The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ...
Converting Degrees, Minutes, Seconds to Degrees
Equivalent Trig Expressions
What is the value in degrees
Chloroform has a boiling point of 61.1 degrees C and dichloromethane has a boiling point of 40 ...