The word “they” in paragraph 3 refers to ________.

The “welcome development” is an increase in ________ .

How does the author define the San Andreas Fault?

In which direction does the western side of the fault move?

Along the San Andreas Fault, tremors are________.

The phrase “wither away” in bold is closest in meaning to________.

From the passage, it can be inferred that author views body building________.

The word its in the paragraph 1 refer to ­­­­­­­________.

The phrase “the Big One” refers to which of the following?

It can be inferred from the passage that peole are more likely to survive fires in aircrafts if they ________.

The word “inflated” in bold is closest in meaning to ________.

The word “this” refers to________

According to the passage, men who body build________

It can be inferred from the passage that the principle of use and disuse enables organisms to________.

According to the passage, fish such as plaice ________.

What is the author’s main purpose in the passage?