Answer: Air pollutants have a complex relationship with climate change. Some pollutants, such as black carbon and ozone, increase warming by trapping heat in the atmosphere, while others, such as sulfur dioxide forming light reflecting particles, have a cooling effect on the climate.
It would be C.
A would not be it because even if you have better roadways they may not help reduce the speed and instead increase it because the teen may like the smooth feeling.
B would not be it because the driver is under the influence. This usually can put the idea of going really fast in the driver's mind because "who would stop them?" and "what's the worst that could happen?"
D would not be it because the teenager may want to compete with the other driver to become victorious which would include in them speeding up.
Answer: the correct answer is 4.- "This must have happened because I did not wash the bed sheets this week."
Explanation:
It is a common misconception that bed bugs are drawn only to dirty environments. They can inhabit any environment and can travel and spread easily in clothing, bags, furniture, and bedding. Although they do not pose significant harm, bed bugs can cause an itchy red rash that can be uncomfortable and affect sleep. Bed bugs should be exterminated, especially in a home with children.