This is one of the most common signs - it is typically understood in most cultures. Which BEST explains why it is so effective?

• It is red so it easily captures people's attention.
O It can be easily adapted for many purposes.
O It indicates that something is banned or forbidden.
• It works well as long as everyone speaks the same language.

The best explanation for why this sign is so effective is that it indicates that something is banned or forbidden. This concept is understood universally, regardless of language or cultural differences.

The most effective explanation for why this sign is so common is that it indicates that something is banned or forbidden. This meaning is generally understood across different cultures and does not rely on language comprehension. Additionally, the use of a universal symbol can easily capture people's attention and be adapted for various purposes, further enhancing its effectiveness.

The best explanation for why this sign is so effective is that it indicates that something is banned or forbidden. The key to the effectiveness of this sign is not its color or adaptability, but rather its clear and universally understood message. The concept of something being forbidden or prohibited is generally understood in most cultures, regardless of language or other factors. This makes it a highly effective sign that can effectively convey its message to a wide range of people. Therefore, among the given options, the indication of something being banned or forbidden is the most compelling reason for the sign's effectiveness.