In An Inconvenient Truth, the most likely reason the author uses the heading A Silent Alarm is to (1 point)

• show there is a problem that many do not know about.
O use an image that all readers can visualize.
• frighten readers so they will take action.
O to bore the reader.

The most likely reason the author uses the heading A Silent Alarm is to show there is a problem that many do not know about.

The most likely reason the author uses the heading "A Silent Alarm" in the book "An Inconvenient Truth" is to show there is a problem that many do not know about.

To determine the most likely reason the author uses the heading "A Silent Alarm" in "An Inconvenient Truth," we can analyze the purpose and tone of the heading.

Option 1: Show there is a problem that many do not know about.
If the author's intention is to draw attention to a problem that is not widely known, using the heading "A Silent Alarm" could effectively convey this idea. The term "silent alarm" creates a sense of urgency and suggests that there is an unnoticed danger that urgently needs attention.

Option 2: Use an image that all readers can visualize.
While the heading "A Silent Alarm" does evoke an image, it is not necessarily one that all readers can visualize. The phrase itself is more abstract, relying on the reader's understanding of what an alarm and silence represent.

Option 3: Frighten readers so they will take action.
Using the heading "A Silent Alarm" could indeed be an attempt to evoke fear or concern in readers. By framing the issue as an alarm, the author may be trying to emphasize the seriousness and urgency of the problem, aiming to encourage readers to take action.

Option 4: Bore the reader.
It is highly unlikely that the author would intentionally use a heading like "A Silent Alarm" to bore or disengage the reader. The purpose of using attention-grabbing headings is usually to engage and captivate the reader, not to bore them.

Considering these options, the most likely reason the author uses the heading "A Silent Alarm" in "An Inconvenient Truth" is to frighten readers so they will take action.