The substance is pure depending on which atoms bond.
B.latitude i belive this is the awnser
but i could be wrong sorry in advanced if i am
Answer: A . How much energy does it take to make a paper bag
Explanation: Apex
Answer:
A drop of water may spend over 3,000 years in the ocean before evaporating into the air, while a drop of water spends an average of just nine days in the atmosphere before falling back to Earth.
Explanation: hope this helps