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Olin [163]
4 years ago
7

When you first start a car after it has been sitting for more than an hour, it pollutes up to ......times more than when the eng

ine is warm.
10

2

20

5
Engineering
2 answers:
lesya [120]4 years ago
6 0
20 time more then when it’s warm
Ainat [17]4 years ago
5 0
Has to be at most 20
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