Answer:
Potassium (k)
Explanation:
Potassium is so reactiev that it wont even be found naturally in nature, it legit racts with almost anything and doesn't take almost anything at all to start a reaction. COmpared to the other Potassium is easily number 1
I'd say false...
good luck!
They are all the examples of organ system.
Answer:
Its creates air pullution, Burning of fossil fuels produces oxides of carbon, nitrogen, sulphur, etc. that cause acid rain, which affects the soil fertility and water.
Explanation:
