Structures to analyze risk II

According to the sentence "The risk associated with rock climbing is assessed before the expedition because it can put lives in danger.", why is the risk associated with rock climbing assessed?

According to the sentence "The extent of potential injuries from snowboarding accidents is determined by medical professionals to ensure safety measures are adequate.", why is the extent of potential injuries from snowboarding accidents determined?

According to the sentence "The likelihood of encountering wildlife while hiking in remote areas is estimated by park rangers to minimize potential hazards.", why is the likelihood of encountering wildlife while hiking in remote areas estimated?

According to the sentence "Various factors contributing to the risk of skydiving are analyzed by safety experts to enhance participant security.", why are various factors contributing to the risk of skydiving analyzed by safety experts?

According to the sentence "The potential impact of weather conditions on surfing conditions is considered by coastal authorities to safeguard surfers.", why is the potential impact of weather conditions on surfing conditions considered by coastal authorities?

According to the sentence "Equipment safety standards for bungee jumping are scrutinized by regulatory agencies to prevent accidents", why is are equipment safety standards for bungee jumping scrutinized by regulatory agencies?