Answer:
Follow the steps below to learn how to write an official letter.
...
Set up your font and margins. ...
Create your heading. ...
Write your salutation. ...
Use your body paragraphs to state your reasons for writing. ...
Add your closing body paragraph and signature. ...
Mention and add your enclosures. ...
Proofread and send your letter.
Explanation:
Formal Letter
You need to write your full name, address and date before you begin the letter.
Address the person you are writing the letter to with correct name and designation.
It is always advisable to start the letter with 'Respected Sir/Madam' or 'Dear Sir/Madam' and then mention the name and the address.
In order to call the reader´s attention, a very useful literary device is the RHETORICAL QUESTION. It is used with the aim of persuasion and emphasising on some point presented by the author. It has the grammatical structure of a question, but it does not require an explicit answer.
Answer: A. “Greater fuel efficiency reduces the greenhouse gases implicated in climate change.”
Explanation:
The key finding of the article was that greater fuel efficiency can help in efforts to mitigate climate change.
It showed that a greater fuel efficiency such as from a car that gets 50 miles per gallon, emitted about half the greenhouse gasses that a car that got about 25 miles per gallon.
As these greenhouse gasses are implicated in the causes of climate change, reducing their emission would help in the fight against climate change.