Hey there!
I believe the answer is dopamine
First
Crude oil is piped from an underground reserve to the surface.
Crude oil is transported to a refinery by pipeline or tanker
crude oil is refined to make gasoline and other products.
Gasoline is transported by tanker truck to a gas station
Gasoline is pumped into a car‘s gas tank.
Answer:
2
Explanation:
Because if you add 1 to 8 you get 9 then subtract 9 by 7 then and your answer is 2
I suppose it is the density, having more pockets of air in between the granules of sawdust. Air has oxygen. What does a fire need to strive? Oxygen.
