Answer:
well, it increased by 40 km/hr in 9 s, so the acceleration is
40/9 km/(hr-s)
Explanation:
1.) A compound is a substance that originates from two or more separate elements. It shares some similarities with a mixture.
2.) A compound has quite different properties from which it was formed. It also cannot be separated easily. Compounds are formed by chemical reactions.
3.) A pure substance has a constant composition and has consistent properties. It can be a compound or an element, but its composition is constant.
Hope this helps. :)
It would be a ehtanol plant
