20
Select the correct answer.
Read the sentence from paragraph 10.
(10) As electric vehicles came onto the market, so did a new type of vehicle-- the gasoline-powered car -- thanks to
improvements to the internal combustion engine in the 1800s.
Which best describes combustion as it is used in the sentence?
A. violent excitement
B. the process of burning something
C. the explosion of several components in a motor vehicle
D a chemical reaction caused by the combinati