Based on the passage when did the public first find out that the plane crashes were acts of terrorists

After a second plane crashed into the south tower
Right after the first plane crashed into the north tower
As soon as love news footage began to broadcast from the Pentagon
An hour after the south tower collapsed

Based on the passage, the public first found out that the plane crashes were acts of terrorists after a second plane crashed into the south tower.

Based on the passage, the public first found out that the plane crashes were acts of terrorists right after the first plane crashed into the north tower.

To determine when the public first found out that the plane crashes were acts of terrorists, we need to look for clues in the passage. Let's analyze each option mentioned:

- After a second plane crashed into the south tower: This statement suggests that the public found out after the second plane crash. It does not directly imply that they discovered it was an act of terrorism.
- Right after the first plane crashed into the north tower: This option implies that the public found out immediately after the first plane crashed. However, it doesn't specify if they knew it was a terrorist act.
- As soon as live news footage began to broadcast from the Pentagon: This statement implies that the public found out after live news footage from the Pentagon started broadcasting. It doesn't directly state if they knew it was an act of terrorism.
- An hour after the south tower collapsed: According to this option, the public found out one hour after the collapse of the south tower. It doesn't explicitly mention if they knew it was a terrorist act.

By comparing the options, it seems that the best choice based on the given information is "Right after the first plane crashed into the north tower." Although it is not explicitly stated, it indicates that the public immediately discovered that the plane crashes were acts of terrorism.