Why is the ecosytem anwr fragile?

Why does my face gets very red and hot it feels like its sunburned but its not this happens at around 4pm and can last 1 to 4 hrs wish I know why any ideas? What language does the word phobia come from? Is pregnant lady safe to travel on 7 hours flight? What is short term effect on leukemia? Is whooping cough likely to affect you in the future? Which bone is present horizontally in the human body? How is memory affected by Spina Bifida? What does smallpox smell like? Hormone responsible for diabetes? Most Americans are RH? Can you get an STD while taking antibiotics? What should you do if you think you have chlamydia? What are some examples of riddles and its explanation? What is the phobia name for fear of air bags? What happens if a pregnant lady takes biofol tablet twice a day? Can every person be infected with an infected person having an std called trick? Caused by an overabundance of organic matter in water supplies? What is a phakoma? What characterizes a arrhenius acid-base reaction? Why will your scab not heal?