Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
Answer:the weather in Mount Everest is harsh winds, sub freezing temperatures, and thin air. And what this means for hikers is that because of this it causes unpredictable weather conditions as in avalanches and ice storms. Which puts the hikers in danger
Explanation: I just read the article and thought about it. Hope this helps
Wind is the answer to this.
