Answer:
Her average speed is 0.25 miles / hour.
Explanation:
I did 0.5 divided by 2 = 0.25 miles / hour.
<em>Hope this helps! :)</em>
So??
what is the question??
infiltration and evaporation
A decrease in it's operating temperature would make a heat engine less efficient. This is because in order to operate, a heat engine needs to be hot and maintain that temperature.
Answer:
The column number tells us the amount of valence electron the element has
