Final answer:
A disaster is typically caused by natural occurrences like fire, flood, and earthquake, so the answer is a) True. These events are defined as natural disasters and can have profound effects on the environment and human populations.
Therefore, the correct answer is a) True.
Step-by-step explanation:
A disaster is indeed often caused by natural occurrences, including fire, flood, earthquake, lightning, landslide, tornado, hurricane, tsunami, electrostatic discharge, dust, or excessive rainfall. Therefore, the correct answer is a) True. These events are all considered natural disasters because they result from earth’s natural processes and can cause significant environmental disruption, injury, or death. Engineers and scientists work to protect people from these events by designing infrastructure that can withstand disasters and developing methods to predict and rapidly respond to them.