In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: Since most electrical plants burn gases what happens to pollution levels when we use more electricity? 
 Answer: increase

Answer: We need to reduce our electricity consumption in order to reduce pollution.


Question: Question: Do gas engine cars pollute more or less than electric engine cars? 
 Answer: more

Answer: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.


Question: Question: Something that has a lot of hydroxide is a _____ base 
 Answer: stronger

Answer:
A stronger base produces more hydroxide ions than a weaker base.