Which of the following statements are true regarding the use of heat maps as risk...

Which of the following statements are true regarding the use of heat maps as risk assessment tools?

1. They focus primarily on known risks, limiting the ability to identify new risks.

2. They rely heavily on objective assessments and related risk tolerances.

3. They are too complex to provide an easily understandable view of key risks.

4. They are helpful but limited in value in a rapidly changing environment.