It is defining.
Defining relative clause does not have a comma, while a non-defining relative clause has.
For example, if the sentence is:
The children, who hate chocolates, are uncommon.
- since there is comma in this sentence, it is non-defining.
- while if there is no comma like the question in the picture, it is defining.
When he wrote This excerpt he was referring to knowledge, he said that he reads a book a day and that knowledge was his banknote that got him so far,
Answer:
What will Hal do in 2019?
What will he achieve by then?
How long will he live in Los Angeles in 2022?
What will he do by the time he moves to Los Angeles?
When will he buy a house?
What will he write in 2023?
Explanation:
I would say D) Because swimming races are won by inches, the new suits can make a difference. It's joining a statement and a reason for the statement.