Multiple choice. Which practices have reduced air pollution in Western Europe?

requiring the use of catalytic

converters

monitoring the use of water

improving the efficiency of engines

developing cleaner-burning fuel

adopting agricultural intensification strategies

The correct options are:

- Improved engines; engines were improved significantly so that they can have the same power and agility but by using less fuel.

- Cleaner burning fuels; it has been invested a lot of time and money into improving the fuels and making them as effective as possible but also removing or lowering the most dangerous components towards the environment.

- Catalytic converters; this devices for exhaust emission control manage to convert the toxic gasses and polutants into less toxic pollutants by managing to catalyze a redox reaction.

the answers are:

1. dolores driscoll - b. first person minor

dolores is a minor character who happens to be driving the bus at the time of the accident. she narrates picking up each of the children and her last memory is the children being thrown around the bus.

2. billy ansel - a. first person major

billy loses his twins in the accident. he tells his own story, how he witnessed the accident and how he tried to the rescuers. he is a major character, as he is at the center of the story.

3. mitchell stephens - c. first person observer

mitchell enters the story after the accident. he is a lawyer who learns about the accident based on other characters observations. though he tells the story from a first person perspective, he is just an observer.

as for matcthing the message or lesson posted with the person who said them:

1."obviously, you can't control everything, but you are obliged to take care of the few things you can. i'm an optimist basically who acts like a pessimist. on principle. just in case." - dolores driscoll

2. "i could no longer believe even in life. . for me now the only reality was death." - billy ansel