The factors that explain the historically high infant mortality rate among the Basques, are cardiovascular diseases and malignant neoplasms.
by affecting the mortality rate
Natality Mortality Immigration emigration If I'm not mistaken.
Instabilities in the level of profits.
My guesses are: obesity automobiles
Infant mortality is generally a factor in life expectancy calculations.
carrying capacity
smoking and alcohol use
"Supply is relative to demand" explains the factors responsible for setting prices in a free market system.
crossing over
Lack of rainfall
No 21 is not a factor of 24. In order for a number to be a factor of another number, x number times n number must equal the number you are trying to factor. Below is a self made image that explains factoring and shows you how to factor 24.
factor-analytic