The apparent effects of the gravity of unseen matter on visible objects
Because it goes from a somewhat solid state to a liquid state.
It is a conductor - it allows electrons to flow
The answer is B. Centrifugation
Every organic molecules/compound contains carbon (c).
Some other very abundant are hydrogen, nitrogen, oxygen, phosphorus, and sulfur.
I learned this with the acronym CHNOPS.
C - Carbon
H - Hydrogen
N - Nitrogen
O - Oxygen
P - Phosphorus
S - Sulfur
Hope this helps!
