They have different bodily functions
Explanation:
Someone of different origin may have a different lifestyle which may affect there life expectancy
Answer:
Gravity
Explanation:
Gravity is a postulate based upon a given factor of proven events, you can always rely on gravity to pull something downwards towards earth.
Hello!
The answer is a).
Mining generates (in 2014) just $44.7 billion.
HugS!
