How have scientific advancements reduce the impact of hazardous events on society? a. scientific advancements have led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage. b. scientific advancements have led to the ability to prevent hazardous events. c. scientific advancements have led to the ability to detect all hazardous events, preventing damage to society. d. scientific advancements have not reduced the impact of hazardous events on society.

a. Scientific advancements have led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage.

Scientific advancements helped reduce the impact of hazardous events on society in various ways. As science progress and study hazardous events, it is possible to be able to predict some of them, this allows society to be prepared, at least in theory, and with the knowledge comes the ability to mitigate them, and avoid suffering, economic costs and even loss of lives to the people that are unluckily involved in those types of events. 

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.

It is mutualism commensalism parasitism predator prey