Question 1
If two variables move in opposite directions, they are said to be negatively correlated.
Question 2
Correlation always implies causation.
Ask unlimited questions for free
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Cyanide works by making the human body unable to use oxygen.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
There are approximately 3 million unintended pregnancies in the United States each year.
For a complete list of videos, visit our video library