Its D because i know that smoke does change very easily and its particles that dissolves in air which was infuenced by the gas. hope this helps man ;)
Answer:20 minutes
Explanation:
06:58am - 06:38am =20 minutes
If time is the x axis and distance is the y axis then yes, in the case that time is going by but distance remains the same.
C., used in power plants I think.
Answer:Strayer university/michigan state university/kent state university
Explanation:
my uncle went there to michigan state university he said it was good to become a botanist