C) a fundamental force would be gravity
Potassium hexacyanochromate(III)
A systematic name is a name given in a systematic way to a
chemical substance, out of a definite collection.
The systematic name for the coordination compound k3 cr(cn)6
is Potassium hexacyanochromate(III). This compound contains potassium (k3), six
cn which is called hexacyano, and cr (chromium).
That is true because the warm air goes up and the cold air comes down
Answer: Answer A
Explanation: sorry if I'm wrong but I'm sharing what I know